Home / 80,411.16-110,894.76-50,199.28

Finding the Fourth Proportional to 80,411.16, 110,894.76 and 50,199.28

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Solution

The fourth proportional to 80,411.16, 110,894.76 and 50,199.28 is: 69,229.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,411.16 : 110,894.76 = 50,199.28 : x
  2. Step 2: Convert to fraction form
    80,411.16/110,894.76 = 50,199.28/x
  3. Step 3: Cross multiply
    80,411.16x = 110,894.76 × 50,199.28
  4. Step 4: Simplify right side
    80,411.16x = 5,566,837,107.77
  5. Step 5: Solve for x
    x = 5,566,837,107.77/80,411.16
  6. Step 6: Final answer
    x = 69,229.66

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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.