Home / 52,986.38-73,121.15-29,113.00

Finding the Fourth Proportional to 52,986.38, 73,121.15 and 29,113.00

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Solution

The fourth proportional to 52,986.38, 73,121.15 and 29,113.00 is: 40,175.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,986.38 : 73,121.15 = 29,113.00 : x
  2. Step 2: Convert to fraction form
    52,986.38/73,121.15 = 29,113.00/x
  3. Step 3: Cross multiply
    52,986.38x = 73,121.15 × 29,113.00
  4. Step 4: Simplify right side
    52,986.38x = 2,128,775,528.78
  5. Step 5: Solve for x
    x = 2,128,775,528.78/52,986.38
  6. Step 6: Final answer
    x = 40,175.90

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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.