Home / 84,957.27-127,356.30-28,758.06

Finding the Fourth Proportional to 84,957.27, 127,356.30 and 28,758.06

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Solution

The fourth proportional to 84,957.27, 127,356.30 and 28,758.06 is: 43,110.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,957.27 : 127,356.30 = 28,758.06 : x
  2. Step 2: Convert to fraction form
    84,957.27/127,356.30 = 28,758.06/x
  3. Step 3: Cross multiply
    84,957.27x = 127,356.30 × 28,758.06
  4. Step 4: Simplify right side
    84,957.27x = 3,662,520,116.78
  5. Step 5: Solve for x
    x = 3,662,520,116.78/84,957.27
  6. Step 6: Final answer
    x = 43,110.14

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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.