Home / 96,421.66-133,064.67-53,979.94

Finding the Fourth Proportional to 96,421.66, 133,064.67 and 53,979.94

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Solution

The fourth proportional to 96,421.66, 133,064.67 and 53,979.94 is: 74,493.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,421.66 : 133,064.67 = 53,979.94 : x
  2. Step 2: Convert to fraction form
    96,421.66/133,064.67 = 53,979.94/x
  3. Step 3: Cross multiply
    96,421.66x = 133,064.67 × 53,979.94
  4. Step 4: Simplify right side
    96,421.66x = 7,182,822,902.72
  5. Step 5: Solve for x
    x = 7,182,822,902.72/96,421.66
  6. Step 6: Final answer
    x = 74,493.87

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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.