Home / 86,396.52-129,353.94-44,185.80

Finding the Fourth Proportional to 86,396.52, 129,353.94 and 44,185.80

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Solution

The fourth proportional to 86,396.52, 129,353.94 and 44,185.80 is: 66,155.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,396.52 : 129,353.94 = 44,185.80 : x
  2. Step 2: Convert to fraction form
    86,396.52/129,353.94 = 44,185.80/x
  3. Step 3: Cross multiply
    86,396.52x = 129,353.94 × 44,185.80
  4. Step 4: Simplify right side
    86,396.52x = 5,715,607,322.05
  5. Step 5: Solve for x
    x = 5,715,607,322.05/86,396.52
  6. Step 6: Final answer
    x = 66,155.53

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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.