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Finding the Fourth Proportional to 83,289.59, 124,934.38 and 24,125.28

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Solution

The fourth proportional to 83,289.59, 124,934.38 and 24,125.28 is: 36,187.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,289.59 : 124,934.38 = 24,125.28 : x
  2. Step 2: Convert to fraction form
    83,289.59/124,934.38 = 24,125.28/x
  3. Step 3: Cross multiply
    83,289.59x = 124,934.38 × 24,125.28
  4. Step 4: Simplify right side
    83,289.59x = 3,014,076,274.45
  5. Step 5: Solve for x
    x = 3,014,076,274.45/83,289.59
  6. Step 6: Final answer
    x = 36,187.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.