Home / 72,435.24-108,630.36-34,972.02

Finding the Fourth Proportional to 72,435.24, 108,630.36 and 34,972.02

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Solution

The fourth proportional to 72,435.24, 108,630.36 and 34,972.02 is: 52,447.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,435.24 : 108,630.36 = 34,972.02 : x
  2. Step 2: Convert to fraction form
    72,435.24/108,630.36 = 34,972.02/x
  3. Step 3: Cross multiply
    72,435.24x = 108,630.36 × 34,972.02
  4. Step 4: Simplify right side
    72,435.24x = 3,799,023,122.53
  5. Step 5: Solve for x
    x = 3,799,023,122.53/72,435.24
  6. Step 6: Final answer
    x = 52,447.17

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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.