Home / 42,170.18-58,197.87-25,175.12

Finding the Fourth Proportional to 42,170.18, 58,197.87 and 25,175.12

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Solution

The fourth proportional to 42,170.18, 58,197.87 and 25,175.12 is: 34,743.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,170.18 : 58,197.87 = 25,175.12 : x
  2. Step 2: Convert to fraction form
    42,170.18/58,197.87 = 25,175.12/x
  3. Step 3: Cross multiply
    42,170.18x = 58,197.87 × 25,175.12
  4. Step 4: Simplify right side
    42,170.18x = 1,465,138,360.99
  5. Step 5: Solve for x
    x = 1,465,138,360.99/42,170.18
  6. Step 6: Final answer
    x = 34,743.47

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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.