Home / 82,497.36-123,753.20-26,345.46

Finding the Fourth Proportional to 82,497.36, 123,753.20 and 26,345.46

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Solution

The fourth proportional to 82,497.36, 123,753.20 and 26,345.46 is: 39,520.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,497.36 : 123,753.20 = 26,345.46 : x
  2. Step 2: Convert to fraction form
    82,497.36/123,753.20 = 26,345.46/x
  3. Step 3: Cross multiply
    82,497.36x = 123,753.20 × 26,345.46
  4. Step 4: Simplify right side
    82,497.36x = 3,260,334,848.74
  5. Step 5: Solve for x
    x = 3,260,334,848.74/82,497.36
  6. Step 6: Final answer
    x = 39,520.47

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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.