Home / 71,304.08-98,447.76-63,726.12

Finding the Fourth Proportional to 71,304.08, 98,447.76 and 63,726.12

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Solution

The fourth proportional to 71,304.08, 98,447.76 and 63,726.12 is: 87,985.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,304.08 : 98,447.76 = 63,726.12 : x
  2. Step 2: Convert to fraction form
    71,304.08/98,447.76 = 63,726.12/x
  3. Step 3: Cross multiply
    71,304.08x = 98,447.76 × 63,726.12
  4. Step 4: Simplify right side
    71,304.08x = 6,273,693,767.49
  5. Step 5: Solve for x
    x = 6,273,693,767.49/71,304.08
  6. Step 6: Final answer
    x = 87,985.07

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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.