Home / 86,122.75-129,184.67-23,793.79

Finding the Fourth Proportional to 86,122.75, 129,184.67 and 23,793.79

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Solution

The fourth proportional to 86,122.75, 129,184.67 and 23,793.79 is: 35,690.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,122.75 : 129,184.67 = 23,793.79 : x
  2. Step 2: Convert to fraction form
    86,122.75/129,184.67 = 23,793.79/x
  3. Step 3: Cross multiply
    86,122.75x = 129,184.67 × 23,793.79
  4. Step 4: Simplify right side
    86,122.75x = 3,073,792,909.20
  5. Step 5: Solve for x
    x = 3,073,792,909.20/86,122.75
  6. Step 6: Final answer
    x = 35,690.84

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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.