Home / 82,376.93-123,565.40-71,250.57

Finding the Fourth Proportional to 82,376.93, 123,565.40 and 71,250.57

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Solution

The fourth proportional to 82,376.93, 123,565.40 and 71,250.57 is: 106,875.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,376.93 : 123,565.40 = 71,250.57 : x
  2. Step 2: Convert to fraction form
    82,376.93/123,565.40 = 71,250.57/x
  3. Step 3: Cross multiply
    82,376.93x = 123,565.40 × 71,250.57
  4. Step 4: Simplify right side
    82,376.93x = 8,804,104,826.03
  5. Step 5: Solve for x
    x = 8,804,104,826.03/82,376.93
  6. Step 6: Final answer
    x = 106,875.86

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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.