Home / 86,205.97-129,225.81-44,105.85

Finding the Fourth Proportional to 86,205.97, 129,225.81 and 44,105.85

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Solution

The fourth proportional to 86,205.97, 129,225.81 and 44,105.85 is: 66,116.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,205.97 : 129,225.81 = 44,105.85 : x
  2. Step 2: Convert to fraction form
    86,205.97/129,225.81 = 44,105.85/x
  3. Step 3: Cross multiply
    86,205.97x = 129,225.81 × 44,105.85
  4. Step 4: Simplify right side
    86,205.97x = 5,699,614,357.39
  5. Step 5: Solve for x
    x = 5,699,614,357.39/86,205.97
  6. Step 6: Final answer
    x = 66,116.24

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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.