Home / 84,712.32-127,085.04-25,552.80

Finding the Fourth Proportional to 84,712.32, 127,085.04 and 25,552.80

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Solution

The fourth proportional to 84,712.32, 127,085.04 and 25,552.80 is: 38,334.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,712.32 : 127,085.04 = 25,552.80 : x
  2. Step 2: Convert to fraction form
    84,712.32/127,085.04 = 25,552.80/x
  3. Step 3: Cross multiply
    84,712.32x = 127,085.04 × 25,552.80
  4. Step 4: Simplify right side
    84,712.32x = 3,247,378,610.11
  5. Step 5: Solve for x
    x = 3,247,378,610.11/84,712.32
  6. Step 6: Final answer
    x = 38,334.20

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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.