Home / 112,535.28-168,753.69-53,387.82

Finding the Fourth Proportional to 112,535.28, 168,753.69 and 53,387.82

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Solution

The fourth proportional to 112,535.28, 168,753.69 and 53,387.82 is: 80,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,535.28 : 168,753.69 = 53,387.82 : x
  2. Step 2: Convert to fraction form
    112,535.28/168,753.69 = 53,387.82/x
  3. Step 3: Cross multiply
    112,535.28x = 168,753.69 × 53,387.82
  4. Step 4: Simplify right side
    112,535.28x = 9,009,391,626.06
  5. Step 5: Solve for x
    x = 9,009,391,626.06/112,535.28
  6. Step 6: Final answer
    x = 80,058.37

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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.