Home / 86,202.81-129,306.38-23,873.85

Finding the Fourth Proportional to 86,202.81, 129,306.38 and 23,873.85

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Solution

The fourth proportional to 86,202.81, 129,306.38 and 23,873.85 is: 35,811.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,202.81 : 129,306.38 = 23,873.85 : x
  2. Step 2: Convert to fraction form
    86,202.81/129,306.38 = 23,873.85/x
  3. Step 3: Cross multiply
    86,202.81x = 129,306.38 × 23,873.85
  4. Step 4: Simplify right side
    86,202.81x = 3,087,041,000.79
  5. Step 5: Solve for x
    x = 3,087,041,000.79/86,202.81
  6. Step 6: Final answer
    x = 35,811.37

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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.