Home / 63,685.52-87,863.60-38,200.13

Finding the Fourth Proportional to 63,685.52, 87,863.60 and 38,200.13

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Solution

The fourth proportional to 63,685.52, 87,863.60 and 38,200.13 is: 52,702.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,685.52 : 87,863.60 = 38,200.13 : x
  2. Step 2: Convert to fraction form
    63,685.52/87,863.60 = 38,200.13/x
  3. Step 3: Cross multiply
    63,685.52x = 87,863.60 × 38,200.13
  4. Step 4: Simplify right side
    63,685.52x = 3,356,401,175.06
  5. Step 5: Solve for x
    x = 3,356,401,175.06/63,685.52
  6. Step 6: Final answer
    x = 52,702.74

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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.