Home / 80,969.06-121,424.42-34,225.58

Finding the Fourth Proportional to 80,969.06, 121,424.42 and 34,225.58

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Solution

The fourth proportional to 80,969.06, 121,424.42 and 34,225.58 is: 51,326.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,969.06 : 121,424.42 = 34,225.58 : x
  2. Step 2: Convert to fraction form
    80,969.06/121,424.42 = 34,225.58/x
  3. Step 3: Cross multiply
    80,969.06x = 121,424.42 × 34,225.58
  4. Step 4: Simplify right side
    80,969.06x = 4,155,821,200.66
  5. Step 5: Solve for x
    x = 4,155,821,200.66/80,969.06
  6. Step 6: Final answer
    x = 51,326.04

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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.