Home / 85,033.60-127,356.00-40,691.50

Finding the Fourth Proportional to 85,033.60, 127,356.00 and 40,691.50

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Solution

The fourth proportional to 85,033.60, 127,356.00 and 40,691.50 is: 60,944.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,033.60 : 127,356.00 = 40,691.50 : x
  2. Step 2: Convert to fraction form
    85,033.60/127,356.00 = 40,691.50/x
  3. Step 3: Cross multiply
    85,033.60x = 127,356.00 × 40,691.50
  4. Step 4: Simplify right side
    85,033.60x = 5,182,306,203.02
  5. Step 5: Solve for x
    x = 5,182,306,203.02/85,033.60
  6. Step 6: Final answer
    x = 60,944.22

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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.