Home / 52,869.24-72,961.16-28,997.53

Finding the Fourth Proportional to 52,869.24, 72,961.16 and 28,997.53

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Solution

The fourth proportional to 52,869.24, 72,961.16 and 28,997.53 is: 40,017.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,869.24 : 72,961.16 = 28,997.53 : x
  2. Step 2: Convert to fraction form
    52,869.24/72,961.16 = 28,997.53/x
  3. Step 3: Cross multiply
    52,869.24x = 72,961.16 × 28,997.53
  4. Step 4: Simplify right side
    52,869.24x = 2,115,693,098.54
  5. Step 5: Solve for x
    x = 2,115,693,098.54/52,869.24
  6. Step 6: Final answer
    x = 40,017.47

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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.