Home / 96,412.85-133,048.27-53,972.90

Finding the Fourth Proportional to 96,412.85, 133,048.27 and 53,972.90

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Solution

The fourth proportional to 96,412.85, 133,048.27 and 53,972.90 is: 74,481.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,412.85 : 133,048.27 = 53,972.90 : x
  2. Step 2: Convert to fraction form
    96,412.85/133,048.27 = 53,972.90/x
  3. Step 3: Cross multiply
    96,412.85x = 133,048.27 × 53,972.90
  4. Step 4: Simplify right side
    96,412.85x = 7,181,000,971.88
  5. Step 5: Solve for x
    x = 7,181,000,971.88/96,412.85
  6. Step 6: Final answer
    x = 74,481.78

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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.