Home / 80,411.04-110,930.85-50,203.85

Finding the Fourth Proportional to 80,411.04, 110,930.85 and 50,203.85

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Solution

The fourth proportional to 80,411.04, 110,930.85 and 50,203.85 is: 69,258.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,411.04 : 110,930.85 = 50,203.85 : x
  2. Step 2: Convert to fraction form
    80,411.04/110,930.85 = 50,203.85/x
  3. Step 3: Cross multiply
    80,411.04x = 110,930.85 × 50,203.85
  4. Step 4: Simplify right side
    80,411.04x = 5,569,155,199.12
  5. Step 5: Solve for x
    x = 5,569,155,199.12/80,411.04
  6. Step 6: Final answer
    x = 69,258.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.