Home / 84,930.16-127,395.48-25,766.32

Finding the Fourth Proportional to 84,930.16, 127,395.48 and 25,766.32

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Solution

The fourth proportional to 84,930.16, 127,395.48 and 25,766.32 is: 38,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,930.16 : 127,395.48 = 25,766.32 : x
  2. Step 2: Convert to fraction form
    84,930.16/127,395.48 = 25,766.32/x
  3. Step 3: Cross multiply
    84,930.16x = 127,395.48 × 25,766.32
  4. Step 4: Simplify right side
    84,930.16x = 3,282,512,704.23
  5. Step 5: Solve for x
    x = 3,282,512,704.23/84,930.16
  6. Step 6: Final answer
    x = 38,649.55

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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.