Home / 83,812.46-125,679.22-30,466.92

Finding the Fourth Proportional to 83,812.46, 125,679.22 and 30,466.92

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Solution

The fourth proportional to 83,812.46, 125,679.22 and 30,466.92 is: 45,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,812.46 : 125,679.22 = 30,466.92 : x
  2. Step 2: Convert to fraction form
    83,812.46/125,679.22 = 30,466.92/x
  3. Step 3: Cross multiply
    83,812.46x = 125,679.22 × 30,466.92
  4. Step 4: Simplify right side
    83,812.46x = 3,829,059,045.48
  5. Step 5: Solve for x
    x = 3,829,059,045.48/83,812.46
  6. Step 6: Final answer
    x = 45,686.04

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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.