Home / 112,382.52-155,092.58-64,635.90

Finding the Fourth Proportional to 112,382.52, 155,092.58 and 64,635.90

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Solution

The fourth proportional to 112,382.52, 155,092.58 and 64,635.90 is: 89,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,382.52 : 155,092.58 = 64,635.90 : x
  2. Step 2: Convert to fraction form
    112,382.52/155,092.58 = 64,635.90/x
  3. Step 3: Cross multiply
    112,382.52x = 155,092.58 × 64,635.90
  4. Step 4: Simplify right side
    112,382.52x = 10,024,548,491.62
  5. Step 5: Solve for x
    x = 10,024,548,491.62/112,382.52
  6. Step 6: Final answer
    x = 89,200.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.