Home / 80,890.05-121,350.95-24,738.13

Finding the Fourth Proportional to 80,890.05, 121,350.95 and 24,738.13

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Solution

The fourth proportional to 80,890.05, 121,350.95 and 24,738.13 is: 37,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,890.05 : 121,350.95 = 24,738.13 : x
  2. Step 2: Convert to fraction form
    80,890.05/121,350.95 = 24,738.13/x
  3. Step 3: Cross multiply
    80,890.05x = 121,350.95 × 24,738.13
  4. Step 4: Simplify right side
    80,890.05x = 3,001,995,576.72
  5. Step 5: Solve for x
    x = 3,001,995,576.72/80,890.05
  6. Step 6: Final answer
    x = 37,112.05

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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.