Home / 86,626.42-129,944.49-24,301.78

Finding the Fourth Proportional to 86,626.42, 129,944.49 and 24,301.78

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Solution

The fourth proportional to 86,626.42, 129,944.49 and 24,301.78 is: 36,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,626.42 : 129,944.49 = 24,301.78 : x
  2. Step 2: Convert to fraction form
    86,626.42/129,944.49 = 24,301.78/x
  3. Step 3: Cross multiply
    86,626.42x = 129,944.49 × 24,301.78
  4. Step 4: Simplify right side
    86,626.42x = 3,157,882,408.19
  5. Step 5: Solve for x
    x = 3,157,882,408.19/86,626.42
  6. Step 6: Final answer
    x = 36,454.03

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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.