Home / 52,343.37-72,240.85-29,690.57

Finding the Fourth Proportional to 52,343.37, 72,240.85 and 29,690.57

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Solution

The fourth proportional to 52,343.37, 72,240.85 and 29,690.57 is: 40,976.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,343.37 : 72,240.85 = 29,690.57 : x
  2. Step 2: Convert to fraction form
    52,343.37/72,240.85 = 29,690.57/x
  3. Step 3: Cross multiply
    52,343.37x = 72,240.85 × 29,690.57
  4. Step 4: Simplify right side
    52,343.37x = 2,144,872,013.78
  5. Step 5: Solve for x
    x = 2,144,872,013.78/52,343.37
  6. Step 6: Final answer
    x = 40,976.96

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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.