Home / 86,028.46-129,048.15-22,847.54

Finding the Fourth Proportional to 86,028.46, 129,048.15 and 22,847.54

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Solution

The fourth proportional to 86,028.46, 129,048.15 and 22,847.54 is: 34,272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,028.46 : 129,048.15 = 22,847.54 : x
  2. Step 2: Convert to fraction form
    86,028.46/129,048.15 = 22,847.54/x
  3. Step 3: Cross multiply
    86,028.46x = 129,048.15 × 22,847.54
  4. Step 4: Simplify right side
    86,028.46x = 2,948,432,769.05
  5. Step 5: Solve for x
    x = 2,948,432,769.05/86,028.46
  6. Step 6: Final answer
    x = 34,272.76

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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.