Home / 42,122.25-58,135.19-25,364.97

Finding the Fourth Proportional to 42,122.25, 58,135.19 and 25,364.97

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Solution

The fourth proportional to 42,122.25, 58,135.19 and 25,364.97 is: 35,007.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122.25 : 58,135.19 = 25,364.97 : x
  2. Step 2: Convert to fraction form
    42,122.25/58,135.19 = 25,364.97/x
  3. Step 3: Cross multiply
    42,122.25x = 58,135.19 × 25,364.97
  4. Step 4: Simplify right side
    42,122.25x = 1,474,597,223.47
  5. Step 5: Solve for x
    x = 1,474,597,223.47/42,122.25
  6. Step 6: Final answer
    x = 35,007.56

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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.