Home / 80,926.02-121,390.18-31,008.65

Finding the Fourth Proportional to 80,926.02, 121,390.18 and 31,008.65

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Solution

The fourth proportional to 80,926.02, 121,390.18 and 31,008.65 is: 46,513.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,926.02 : 121,390.18 = 31,008.65 : x
  2. Step 2: Convert to fraction form
    80,926.02/121,390.18 = 31,008.65/x
  3. Step 3: Cross multiply
    80,926.02x = 121,390.18 × 31,008.65
  4. Step 4: Simplify right side
    80,926.02x = 3,764,144,920.58
  5. Step 5: Solve for x
    x = 3,764,144,920.58/80,926.02
  6. Step 6: Final answer
    x = 46,513.41

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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.