Home / 80,727.39-121,117.02-24,578.37

Finding the Fourth Proportional to 80,727.39, 121,117.02 and 24,578.37

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Solution

The fourth proportional to 80,727.39, 121,117.02 and 24,578.37 is: 36,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,727.39 : 121,117.02 = 24,578.37 : x
  2. Step 2: Convert to fraction form
    80,727.39/121,117.02 = 24,578.37/x
  3. Step 3: Cross multiply
    80,727.39x = 121,117.02 × 24,578.37
  4. Step 4: Simplify right side
    80,727.39x = 2,976,858,930.86
  5. Step 5: Solve for x
    x = 2,976,858,930.86/80,727.39
  6. Step 6: Final answer
    x = 36,875.45

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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.