Home / 42,143.72-63,197.96-17,166.92

Finding the Fourth Proportional to 42,143.72, 63,197.96 and 17,166.92

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Solution

The fourth proportional to 42,143.72, 63,197.96 and 17,166.92 is: 25,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,143.72 : 63,197.96 = 17,166.92 : x
  2. Step 2: Convert to fraction form
    42,143.72/63,197.96 = 17,166.92/x
  3. Step 3: Cross multiply
    42,143.72x = 63,197.96 × 17,166.92
  4. Step 4: Simplify right side
    42,143.72x = 1,084,914,323.48
  5. Step 5: Solve for x
    x = 1,084,914,323.48/42,143.72
  6. Step 6: Final answer
    x = 25,743.20

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1.5x scale

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.