Home / 84,834.29-127,251.66-28,659.37

Finding the Fourth Proportional to 84,834.29, 127,251.66 and 28,659.37

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Solution

The fourth proportional to 84,834.29, 127,251.66 and 28,659.37 is: 42,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,834.29 : 127,251.66 = 28,659.37 : x
  2. Step 2: Convert to fraction form
    84,834.29/127,251.66 = 28,659.37/x
  3. Step 3: Cross multiply
    84,834.29x = 127,251.66 × 28,659.37
  4. Step 4: Simplify right side
    84,834.29x = 3,646,952,273.79
  5. Step 5: Solve for x
    x = 3,646,952,273.79/84,834.29
  6. Step 6: Final answer
    x = 42,989.13

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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.