Home / 88,322.81-121,897.17-52,532.55

Finding the Fourth Proportional to 88,322.81, 121,897.17 and 52,532.55

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Solution

The fourth proportional to 88,322.81, 121,897.17 and 52,532.55 is: 72,501.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,322.81 : 121,897.17 = 52,532.55 : x
  2. Step 2: Convert to fraction form
    88,322.81/121,897.17 = 52,532.55/x
  3. Step 3: Cross multiply
    88,322.81x = 121,897.17 × 52,532.55
  4. Step 4: Simplify right side
    88,322.81x = 6,403,569,177.88
  5. Step 5: Solve for x
    x = 6,403,569,177.88/88,322.81
  6. Step 6: Final answer
    x = 72,501.88

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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.