Home / 86,475.78-129,600.57-44,320.14

Finding the Fourth Proportional to 86,475.78, 129,600.57 and 44,320.14

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Solution

The fourth proportional to 86,475.78, 129,600.57 and 44,320.14 is: 66,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,475.78 : 129,600.57 = 44,320.14 : x
  2. Step 2: Convert to fraction form
    86,475.78/129,600.57 = 44,320.14/x
  3. Step 3: Cross multiply
    86,475.78x = 129,600.57 × 44,320.14
  4. Step 4: Simplify right side
    86,475.78x = 5,743,915,406.48
  5. Step 5: Solve for x
    x = 5,743,915,406.48/86,475.78
  6. Step 6: Final answer
    x = 66,422.24

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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.