Home / 86,471.28-129,593.82-44,315.64

Finding the Fourth Proportional to 86,471.28, 129,593.82 and 44,315.64

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Solution

The fourth proportional to 86,471.28, 129,593.82 and 44,315.64 is: 66,415.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,471.28 : 129,593.82 = 44,315.64 : x
  2. Step 2: Convert to fraction form
    86,471.28/129,593.82 = 44,315.64/x
  3. Step 3: Cross multiply
    86,471.28x = 129,593.82 × 44,315.64
  4. Step 4: Simplify right side
    86,471.28x = 5,743,033,073.34
  5. Step 5: Solve for x
    x = 5,743,033,073.34/86,471.28
  6. Step 6: Final answer
    x = 66,415.50

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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.