Home / 82,724.12-124,127.18-32,803.14

Finding the Fourth Proportional to 82,724.12, 124,127.18 and 32,803.14

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Solution

The fourth proportional to 82,724.12, 124,127.18 and 32,803.14 is: 49,220.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,724.12 : 124,127.18 = 32,803.14 : x
  2. Step 2: Convert to fraction form
    82,724.12/124,127.18 = 32,803.14/x
  3. Step 3: Cross multiply
    82,724.12x = 124,127.18 × 32,803.14
  4. Step 4: Simplify right side
    82,724.12x = 4,071,761,263.35
  5. Step 5: Solve for x
    x = 4,071,761,263.35/82,724.12
  6. Step 6: Final answer
    x = 49,220.97

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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.