Home / 87,193.52-130,699.56-40,407.92

Finding the Fourth Proportional to 87,193.52, 130,699.56 and 40,407.92

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Solution

The fourth proportional to 87,193.52, 130,699.56 and 40,407.92 is: 60,569.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,193.52 : 130,699.56 = 40,407.92 : x
  2. Step 2: Convert to fraction form
    87,193.52/130,699.56 = 40,407.92/x
  3. Step 3: Cross multiply
    87,193.52x = 130,699.56 × 40,407.92
  4. Step 4: Simplify right side
    87,193.52x = 5,281,297,364.52
  5. Step 5: Solve for x
    x = 5,281,297,364.52/87,193.52
  6. Step 6: Final answer
    x = 60,569.84

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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.