Home / 52,147.47-71,963.09-29,490.92

Finding the Fourth Proportional to 52,147.47, 71,963.09 and 29,490.92

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Solution

The fourth proportional to 52,147.47, 71,963.09 and 29,490.92 is: 40,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,147.47 : 71,963.09 = 29,490.92 : x
  2. Step 2: Convert to fraction form
    52,147.47/71,963.09 = 29,490.92/x
  3. Step 3: Cross multiply
    52,147.47x = 71,963.09 × 29,490.92
  4. Step 4: Simplify right side
    52,147.47x = 2,122,257,222.87
  5. Step 5: Solve for x
    x = 2,122,257,222.87/52,147.47
  6. Step 6: Final answer
    x = 40,697.22

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1.5x scale

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.