Home / 86,227.41-129,304.20-30,050.90

Finding the Fourth Proportional to 86,227.41, 129,304.20 and 30,050.90

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Solution

The fourth proportional to 86,227.41, 129,304.20 and 30,050.90 is: 45,063.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,227.41 : 129,304.20 = 30,050.90 : x
  2. Step 2: Convert to fraction form
    86,227.41/129,304.20 = 30,050.90/x
  3. Step 3: Cross multiply
    86,227.41x = 129,304.20 × 30,050.90
  4. Step 4: Simplify right side
    86,227.41x = 3,885,706,937.26
  5. Step 5: Solve for x
    x = 3,885,706,937.26/86,227.41
  6. Step 6: Final answer
    x = 45,063.48

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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.