Home / 82,248.12-123,372.18-47,112.84

Finding the Fourth Proportional to 82,248.12, 123,372.18 and 47,112.84

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Solution

The fourth proportional to 82,248.12, 123,372.18 and 47,112.84 is: 70,669.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,248.12 : 123,372.18 = 47,112.84 : x
  2. Step 2: Convert to fraction form
    82,248.12/123,372.18 = 47,112.84/x
  3. Step 3: Cross multiply
    82,248.12x = 123,372.18 × 47,112.84
  4. Step 4: Simplify right side
    82,248.12x = 5,812,413,776.79
  5. Step 5: Solve for x
    x = 5,812,413,776.79/82,248.12
  6. Step 6: Final answer
    x = 70,669.26

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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.