Home / 96,421.50-133,061.72-53,980.92

Finding the Fourth Proportional to 96,421.50, 133,061.72 and 53,980.92

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Solution

The fourth proportional to 96,421.50, 133,061.72 and 53,980.92 is: 74,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,421.50 : 133,061.72 = 53,980.92 : x
  2. Step 2: Convert to fraction form
    96,421.50/133,061.72 = 53,980.92/x
  3. Step 3: Cross multiply
    96,421.50x = 133,061.72 × 53,980.92
  4. Step 4: Simplify right side
    96,421.50x = 7,182,793,792.48
  5. Step 5: Solve for x
    x = 7,182,793,792.48/96,421.50
  6. Step 6: Final answer
    x = 74,493.69

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.