Home / 112,387.60-155,087.40-62,085.52

Finding the Fourth Proportional to 112,387.60, 155,087.40 and 62,085.52

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Solution

The fourth proportional to 112,387.60, 155,087.40 and 62,085.52 is: 85,673.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,387.60 : 155,087.40 = 62,085.52 : x
  2. Step 2: Convert to fraction form
    112,387.60/155,087.40 = 62,085.52/x
  3. Step 3: Cross multiply
    112,387.60x = 155,087.40 × 62,085.52
  4. Step 4: Simplify right side
    112,387.60x = 9,628,681,874.45
  5. Step 5: Solve for x
    x = 9,628,681,874.45/112,387.60
  6. Step 6: Final answer
    x = 85,673.88

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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.