Home / 82,724.45-124,074.96-26,557.17

Finding the Fourth Proportional to 82,724.45, 124,074.96 and 26,557.17

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Solution

The fourth proportional to 82,724.45, 124,074.96 and 26,557.17 is: 39,831.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,724.45 : 124,074.96 = 26,557.17 : x
  2. Step 2: Convert to fraction form
    82,724.45/124,074.96 = 26,557.17/x
  3. Step 3: Cross multiply
    82,724.45x = 124,074.96 × 26,557.17
  4. Step 4: Simplify right side
    82,724.45x = 3,295,079,805.46
  5. Step 5: Solve for x
    x = 3,295,079,805.46/82,724.45
  6. Step 6: Final answer
    x = 39,831.99

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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.