Home / 69,725.12-96,221.28-37,894.04

Finding the Fourth Proportional to 69,725.12, 96,221.28 and 37,894.04

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Solution

The fourth proportional to 69,725.12, 96,221.28 and 37,894.04 is: 52,294.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,725.12 : 96,221.28 = 37,894.04 : x
  2. Step 2: Convert to fraction form
    69,725.12/96,221.28 = 37,894.04/x
  3. Step 3: Cross multiply
    69,725.12x = 96,221.28 × 37,894.04
  4. Step 4: Simplify right side
    69,725.12x = 3,646,213,033.17
  5. Step 5: Solve for x
    x = 3,646,213,033.17/69,725.12
  6. Step 6: Final answer
    x = 52,294.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.