Home / 83,402.20-125,060.10-30,784.60

Finding the Fourth Proportional to 83,402.20, 125,060.10 and 30,784.60

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Solution

The fourth proportional to 83,402.20, 125,060.10 and 30,784.60 is: 46,160.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,402.20 : 125,060.10 = 30,784.60 : x
  2. Step 2: Convert to fraction form
    83,402.20/125,060.10 = 30,784.60/x
  3. Step 3: Cross multiply
    83,402.20x = 125,060.10 × 30,784.60
  4. Step 4: Simplify right side
    83,402.20x = 3,849,925,154.46
  5. Step 5: Solve for x
    x = 3,849,925,154.46/83,402.20
  6. Step 6: Final answer
    x = 46,160.95

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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.