Home / 84,733.27-127,135.80-42,591.16

Finding the Fourth Proportional to 84,733.27, 127,135.80 and 42,591.16

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Solution

The fourth proportional to 84,733.27, 127,135.80 and 42,591.16 is: 63,904.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,733.27 : 127,135.80 = 42,591.16 : x
  2. Step 2: Convert to fraction form
    84,733.27/127,135.80 = 42,591.16/x
  3. Step 3: Cross multiply
    84,733.27x = 127,135.80 × 42,591.16
  4. Step 4: Simplify right side
    84,733.27x = 5,414,861,199.53
  5. Step 5: Solve for x
    x = 5,414,861,199.53/84,733.27
  6. Step 6: Final answer
    x = 63,904.78

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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.