Home / 82,728.92-124,156.20-60,599.72

Finding the Fourth Proportional to 82,728.92, 124,156.20 and 60,599.72

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Solution

The fourth proportional to 82,728.92, 124,156.20 and 60,599.72 is: 90,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,728.92 : 124,156.20 = 60,599.72 : x
  2. Step 2: Convert to fraction form
    82,728.92/124,156.20 = 60,599.72/x
  3. Step 3: Cross multiply
    82,728.92x = 124,156.20 × 60,599.72
  4. Step 4: Simplify right side
    82,728.92x = 7,523,830,956.26
  5. Step 5: Solve for x
    x = 7,523,830,956.26/82,728.92
  6. Step 6: Final answer
    x = 90,945.60

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1.5x scale

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.