Home / 52,881.12-72,972.24-29,007.24

Finding the Fourth Proportional to 52,881.12, 72,972.24 and 29,007.24

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Solution

The fourth proportional to 52,881.12, 72,972.24 and 29,007.24 is: 40,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,881.12 : 72,972.24 = 29,007.24 : x
  2. Step 2: Convert to fraction form
    52,881.12/72,972.24 = 29,007.24/x
  3. Step 3: Cross multiply
    52,881.12x = 72,972.24 × 29,007.24
  4. Step 4: Simplify right side
    52,881.12x = 2,116,723,279.02
  5. Step 5: Solve for x
    x = 2,116,723,279.02/52,881.12
  6. Step 6: Final answer
    x = 40,027.96

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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.