Home / 112,932.88-155,854.47-62,631.88

Finding the Fourth Proportional to 112,932.88, 155,854.47 and 62,631.88

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Solution

The fourth proportional to 112,932.88, 155,854.47 and 62,631.88 is: 86,435.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,932.88 : 155,854.47 = 62,631.88 : x
  2. Step 2: Convert to fraction form
    112,932.88/155,854.47 = 62,631.88/x
  3. Step 3: Cross multiply
    112,932.88x = 155,854.47 × 62,631.88
  4. Step 4: Simplify right side
    112,932.88x = 9,761,458,462.50
  5. Step 5: Solve for x
    x = 9,761,458,462.50/112,932.88
  6. Step 6: Final answer
    x = 86,435.93

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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.