Home / 84,887.06-127,251.44-28,687.87

Finding the Fourth Proportional to 84,887.06, 127,251.44 and 28,687.87

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Solution

The fourth proportional to 84,887.06, 127,251.44 and 28,687.87 is: 43,005.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,887.06 : 127,251.44 = 28,687.87 : x
  2. Step 2: Convert to fraction form
    84,887.06/127,251.44 = 28,687.87/x
  3. Step 3: Cross multiply
    84,887.06x = 127,251.44 × 28,687.87
  4. Step 4: Simplify right side
    84,887.06x = 3,650,572,521.62
  5. Step 5: Solve for x
    x = 3,650,572,521.62/84,887.06
  6. Step 6: Final answer
    x = 43,005.06

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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.