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Finding the Fourth Proportional to 63,903.28, 88,186.88 and 37,061.71

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Solution

The fourth proportional to 63,903.28, 88,186.88 and 37,061.71 is: 51,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,903.28 : 88,186.88 = 37,061.71 : x
  2. Step 2: Convert to fraction form
    63,903.28/88,186.88 = 37,061.71/x
  3. Step 3: Cross multiply
    63,903.28x = 88,186.88 × 37,061.71
  4. Step 4: Simplify right side
    63,903.28x = 3,268,355,946.12
  5. Step 5: Solve for x
    x = 3,268,355,946.12/63,903.28
  6. Step 6: Final answer
    x = 51,145.36

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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.