Home / 80,873.93-121,348.47-30,937.52

Finding the Fourth Proportional to 80,873.93, 121,348.47 and 30,937.52

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Solution

The fourth proportional to 80,873.93, 121,348.47 and 30,937.52 is: 46,420.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,873.93 : 121,348.47 = 30,937.52 : x
  2. Step 2: Convert to fraction form
    80,873.93/121,348.47 = 30,937.52/x
  3. Step 3: Cross multiply
    80,873.93x = 121,348.47 × 30,937.52
  4. Step 4: Simplify right side
    80,873.93x = 3,754,220,717.59
  5. Step 5: Solve for x
    x = 3,754,220,717.59/80,873.93
  6. Step 6: Final answer
    x = 46,420.65

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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.