Home / 61,220.62-84,454.27-38,534.14

Finding the Fourth Proportional to 61,220.62, 84,454.27 and 38,534.14

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Solution

The fourth proportional to 61,220.62, 84,454.27 and 38,534.14 is: 53,158.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,220.62 : 84,454.27 = 38,534.14 : x
  2. Step 2: Convert to fraction form
    61,220.62/84,454.27 = 38,534.14/x
  3. Step 3: Cross multiply
    61,220.62x = 84,454.27 × 38,534.14
  4. Step 4: Simplify right side
    61,220.62x = 3,254,372,663.78
  5. Step 5: Solve for x
    x = 3,254,372,663.78/61,220.62
  6. Step 6: Final answer
    x = 53,158.11

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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.