Home / 84,742.24-127,063.92-25,560.16

Finding the Fourth Proportional to 84,742.24, 127,063.92 and 25,560.16

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Solution

The fourth proportional to 84,742.24, 127,063.92 and 25,560.16 is: 38,325.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,742.24 : 127,063.92 = 25,560.16 : x
  2. Step 2: Convert to fraction form
    84,742.24/127,063.92 = 25,560.16/x
  3. Step 3: Cross multiply
    84,742.24x = 127,063.92 × 25,560.16
  4. Step 4: Simplify right side
    84,742.24x = 3,247,774,125.43
  5. Step 5: Solve for x
    x = 3,247,774,125.43/84,742.24
  6. Step 6: Final answer
    x = 38,325.33

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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.