Home / 84,963.42-127,436.86-25,799.61

Finding the Fourth Proportional to 84,963.42, 127,436.86 and 25,799.61

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Solution

The fourth proportional to 84,963.42, 127,436.86 and 25,799.61 is: 38,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,963.42 : 127,436.86 = 25,799.61 : x
  2. Step 2: Convert to fraction form
    84,963.42/127,436.86 = 25,799.61/x
  3. Step 3: Cross multiply
    84,963.42x = 127,436.86 × 25,799.61
  4. Step 4: Simplify right side
    84,963.42x = 3,287,821,287.62
  5. Step 5: Solve for x
    x = 3,287,821,287.62/84,963.42
  6. Step 6: Final answer
    x = 38,696.90

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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.