Home / 85,132.92-127,778.14-43,042.68

Finding the Fourth Proportional to 85,132.92, 127,778.14 and 43,042.68

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Solution

The fourth proportional to 85,132.92, 127,778.14 and 43,042.68 is: 64,603.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,132.92 : 127,778.14 = 43,042.68 : x
  2. Step 2: Convert to fraction form
    85,132.92/127,778.14 = 43,042.68/x
  3. Step 3: Cross multiply
    85,132.92x = 127,778.14 × 43,042.68
  4. Step 4: Simplify right side
    85,132.92x = 5,499,913,591.02
  5. Step 5: Solve for x
    x = 5,499,913,591.02/85,132.92
  6. Step 6: Final answer
    x = 64,603.84

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1.5x scale

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.