Home / 84,891.06-127,257.44-28,691.87

Finding the Fourth Proportional to 84,891.06, 127,257.44 and 28,691.87

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Solution

The fourth proportional to 84,891.06, 127,257.44 and 28,691.87 is: 43,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,891.06 : 127,257.44 = 28,691.87 : x
  2. Step 2: Convert to fraction form
    84,891.06/127,257.44 = 28,691.87/x
  3. Step 3: Cross multiply
    84,891.06x = 127,257.44 × 28,691.87
  4. Step 4: Simplify right side
    84,891.06x = 3,651,253,925.01
  5. Step 5: Solve for x
    x = 3,651,253,925.01/84,891.06
  6. Step 6: Final answer
    x = 43,011.05

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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.