Home / 80,916.68-121,324.28-24,738.10

Finding the Fourth Proportional to 80,916.68, 121,324.28 and 24,738.10

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Solution

The fourth proportional to 80,916.68, 121,324.28 and 24,738.10 is: 37,091.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,916.68 : 121,324.28 = 24,738.10 : x
  2. Step 2: Convert to fraction form
    80,916.68/121,324.28 = 24,738.10/x
  3. Step 3: Cross multiply
    80,916.68x = 121,324.28 × 24,738.10
  4. Step 4: Simplify right side
    80,916.68x = 3,001,332,171.07
  5. Step 5: Solve for x
    x = 3,001,332,171.07/80,916.68
  6. Step 6: Final answer
    x = 37,091.64

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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.