Home / 52,490.24-78,755.04-31,445.04

Finding the Fourth Proportional to 52,490.24, 78,755.04 and 31,445.04

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Solution

The fourth proportional to 52,490.24, 78,755.04 and 31,445.04 is: 47,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,490.24 : 78,755.04 = 31,445.04 : x
  2. Step 2: Convert to fraction form
    52,490.24/78,755.04 = 31,445.04/x
  3. Step 3: Cross multiply
    52,490.24x = 78,755.04 × 31,445.04
  4. Step 4: Simplify right side
    52,490.24x = 2,476,455,383.00
  5. Step 5: Solve for x
    x = 2,476,455,383.00/52,490.24
  6. Step 6: Final answer
    x = 47,179.35

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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.