Home / 84,799.70-127,199.55-25,629.20

Finding the Fourth Proportional to 84,799.70, 127,199.55 and 25,629.20

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Solution

The fourth proportional to 84,799.70, 127,199.55 and 25,629.20 is: 38,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,799.70 : 127,199.55 = 25,629.20 : x
  2. Step 2: Convert to fraction form
    84,799.70/127,199.55 = 25,629.20/x
  3. Step 3: Cross multiply
    84,799.70x = 127,199.55 × 25,629.20
  4. Step 4: Simplify right side
    84,799.70x = 3,260,022,706.86
  5. Step 5: Solve for x
    x = 3,260,022,706.86/84,799.70
  6. Step 6: Final answer
    x = 38,443.80

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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.