Home / 71,304.06-98,400.08-39,472.26

Finding the Fourth Proportional to 71,304.06, 98,400.08 and 39,472.26

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Solution

The fourth proportional to 71,304.06, 98,400.08 and 39,472.26 is: 54,471.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,304.06 : 98,400.08 = 39,472.26 : x
  2. Step 2: Convert to fraction form
    71,304.06/98,400.08 = 39,472.26/x
  3. Step 3: Cross multiply
    71,304.06x = 98,400.08 × 39,472.26
  4. Step 4: Simplify right side
    71,304.06x = 3,884,073,541.78
  5. Step 5: Solve for x
    x = 3,884,073,541.78/71,304.06
  6. Step 6: Final answer
    x = 54,471.98

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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.