Home / 82,610.40-123,828.96-40,432.32

Finding the Fourth Proportional to 82,610.40, 123,828.96 and 40,432.32

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Solution

The fourth proportional to 82,610.40, 123,828.96 and 40,432.32 is: 60,606.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,610.40 : 123,828.96 = 40,432.32 : x
  2. Step 2: Convert to fraction form
    82,610.40/123,828.96 = 40,432.32/x
  3. Step 3: Cross multiply
    82,610.40x = 123,828.96 × 40,432.32
  4. Step 4: Simplify right side
    82,610.40x = 5,006,692,135.99
  5. Step 5: Solve for x
    x = 5,006,692,135.99/82,610.40
  6. Step 6: Final answer
    x = 60,606.08

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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.