Home / 86,301.68-129,465.27-44,205.57

Finding the Fourth Proportional to 86,301.68, 129,465.27 and 44,205.57

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Solution

The fourth proportional to 86,301.68, 129,465.27 and 44,205.57 is: 66,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,301.68 : 129,465.27 = 44,205.57 : x
  2. Step 2: Convert to fraction form
    86,301.68/129,465.27 = 44,205.57/x
  3. Step 3: Cross multiply
    86,301.68x = 129,465.27 × 44,205.57
  4. Step 4: Simplify right side
    86,301.68x = 5,723,086,055.55
  5. Step 5: Solve for x
    x = 5,723,086,055.55/86,301.68
  6. Step 6: Final answer
    x = 66,314.89

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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.