Home / 45,234.12-67,957.19-42,677.92

Finding the Fourth Proportional to 45,234.12, 67,957.19 and 42,677.92

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Solution

The fourth proportional to 45,234.12, 67,957.19 and 42,677.92 is: 64,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,234.12 : 67,957.19 = 42,677.92 : x
  2. Step 2: Convert to fraction form
    45,234.12/67,957.19 = 42,677.92/x
  3. Step 3: Cross multiply
    45,234.12x = 67,957.19 × 42,677.92
  4. Step 4: Simplify right side
    45,234.12x = 2,900,271,407.65
  5. Step 5: Solve for x
    x = 2,900,271,407.65/45,234.12
  6. Step 6: Final answer
    x = 64,116.90

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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.