Home / 74,151.12-111,232.71-21,560.52

Finding the Fourth Proportional to 74,151.12, 111,232.71 and 21,560.52

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Solution

The fourth proportional to 74,151.12, 111,232.71 and 21,560.52 is: 32,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,151.12 : 111,232.71 = 21,560.52 : x
  2. Step 2: Convert to fraction form
    74,151.12/111,232.71 = 21,560.52/x
  3. Step 3: Cross multiply
    74,151.12x = 111,232.71 × 21,560.52
  4. Step 4: Simplify right side
    74,151.12x = 2,398,235,068.61
  5. Step 5: Solve for x
    x = 2,398,235,068.61/74,151.12
  6. Step 6: Final answer
    x = 32,342.53

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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.