Home / 86,083.28-129,121.56-23,752.16

Finding the Fourth Proportional to 86,083.28, 129,121.56 and 23,752.16

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Solution

The fourth proportional to 86,083.28, 129,121.56 and 23,752.16 is: 35,627.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,083.28 : 129,121.56 = 23,752.16 : x
  2. Step 2: Convert to fraction form
    86,083.28/129,121.56 = 23,752.16/x
  3. Step 3: Cross multiply
    86,083.28x = 129,121.56 × 23,752.16
  4. Step 4: Simplify right side
    86,083.28x = 3,066,915,952.57
  5. Step 5: Solve for x
    x = 3,066,915,952.57/86,083.28
  6. Step 6: Final answer
    x = 35,627.31

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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.