Home / 80,791.24-121,200-23,870.92

Finding the Fourth Proportional to 80,791.24, 121,200 and 23,870.92

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Solution

The fourth proportional to 80,791.24, 121,200 and 23,870.92 is: 35,810.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,791.24 : 121,200 = 23,870.92 : x
  2. Step 2: Convert to fraction form
    80,791.24/121,200 = 23,870.92/x
  3. Step 3: Cross multiply
    80,791.24x = 121,200 × 23,870.92
  4. Step 4: Simplify right side
    80,791.24x = 2,893,155,504
  5. Step 5: Solve for x
    x = 2,893,155,504/80,791.24
  6. Step 6: Final answer
    x = 35,810.26

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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.