Home / 80,882.19-121,240.04-30,948.75

Finding the Fourth Proportional to 80,882.19, 121,240.04 and 30,948.75

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Solution

The fourth proportional to 80,882.19, 121,240.04 and 30,948.75 is: 46,391.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,882.19 : 121,240.04 = 30,948.75 : x
  2. Step 2: Convert to fraction form
    80,882.19/121,240.04 = 30,948.75/x
  3. Step 3: Cross multiply
    80,882.19x = 121,240.04 × 30,948.75
  4. Step 4: Simplify right side
    80,882.19x = 3,752,227,533.21
  5. Step 5: Solve for x
    x = 3,752,227,533.21/80,882.19
  6. Step 6: Final answer
    x = 46,391.27

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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.