Home / 82,483.12-123,731.61-26,331.24

Finding the Fourth Proportional to 82,483.12, 123,731.61 and 26,331.24

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Solution

The fourth proportional to 82,483.12, 123,731.61 and 26,331.24 is: 39,499.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,483.12 : 123,731.61 = 26,331.24 : x
  2. Step 2: Convert to fraction form
    82,483.12/123,731.61 = 26,331.24/x
  3. Step 3: Cross multiply
    82,483.12x = 123,731.61 × 26,331.24
  4. Step 4: Simplify right side
    82,483.12x = 3,258,006,718.50
  5. Step 5: Solve for x
    x = 3,258,006,718.50/82,483.12
  6. Step 6: Final answer
    x = 39,499.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.