Home / 100,724.55-151,061.71-29,633.04

Finding the Fourth Proportional to 100,724.55, 151,061.71 and 29,633.04

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Solution

The fourth proportional to 100,724.55, 151,061.71 and 29,633.04 is: 44,442.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,724.55 : 151,061.71 = 29,633.04 : x
  2. Step 2: Convert to fraction form
    100,724.55/151,061.71 = 29,633.04/x
  3. Step 3: Cross multiply
    100,724.55x = 151,061.71 × 29,633.04
  4. Step 4: Simplify right side
    100,724.55x = 4,476,417,676.38
  5. Step 5: Solve for x
    x = 4,476,417,676.38/100,724.55
  6. Step 6: Final answer
    x = 44,442.17

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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.