Home / 84,728.80-127,094.16-25,565.04

Finding the Fourth Proportional to 84,728.80, 127,094.16 and 25,565.04

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Solution

The fourth proportional to 84,728.80, 127,094.16 and 25,565.04 is: 38,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,728.80 : 127,094.16 = 25,565.04 : x
  2. Step 2: Convert to fraction form
    84,728.80/127,094.16 = 25,565.04/x
  3. Step 3: Cross multiply
    84,728.80x = 127,094.16 × 25,565.04
  4. Step 4: Simplify right side
    84,728.80x = 3,249,167,284.17
  5. Step 5: Solve for x
    x = 3,249,167,284.17/84,728.80
  6. Step 6: Final answer
    x = 38,347.85

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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.