Home / 72,256.25-108,294.11-34,809.35

Finding the Fourth Proportional to 72,256.25, 108,294.11 and 34,809.35

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Solution

The fourth proportional to 72,256.25, 108,294.11 and 34,809.35 is: 52,170.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,256.25 : 108,294.11 = 34,809.35 : x
  2. Step 2: Convert to fraction form
    72,256.25/108,294.11 = 34,809.35/x
  3. Step 3: Cross multiply
    72,256.25x = 108,294.11 × 34,809.35
  4. Step 4: Simplify right side
    72,256.25x = 3,769,646,862.41
  5. Step 5: Solve for x
    x = 3,769,646,862.41/72,256.25
  6. Step 6: Final answer
    x = 52,170.53

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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.