Home / 85,080.48-127,626.12-25,920.24

Finding the Fourth Proportional to 85,080.48, 127,626.12 and 25,920.24

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Solution

The fourth proportional to 85,080.48, 127,626.12 and 25,920.24 is: 38,882.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,080.48 : 127,626.12 = 25,920.24 : x
  2. Step 2: Convert to fraction form
    85,080.48/127,626.12 = 25,920.24/x
  3. Step 3: Cross multiply
    85,080.48x = 127,626.12 × 25,920.24
  4. Step 4: Simplify right side
    85,080.48x = 3,308,099,660.67
  5. Step 5: Solve for x
    x = 3,308,099,660.67/85,080.48
  6. Step 6: Final answer
    x = 38,882.01

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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.