Home / 86,169.56-129,253.43-33,615.95

Finding the Fourth Proportional to 86,169.56, 129,253.43 and 33,615.95

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Solution

The fourth proportional to 86,169.56, 129,253.43 and 33,615.95 is: 50,423.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,169.56 : 129,253.43 = 33,615.95 : x
  2. Step 2: Convert to fraction form
    86,169.56/129,253.43 = 33,615.95/x
  3. Step 3: Cross multiply
    86,169.56x = 129,253.43 × 33,615.95
  4. Step 4: Simplify right side
    86,169.56x = 4,344,977,247.38
  5. Step 5: Solve for x
    x = 4,344,977,247.38/86,169.56
  6. Step 6: Final answer
    x = 50,423.57

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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.