Home / 80,430.73-110,989.51-44,131.39

Finding the Fourth Proportional to 80,430.73, 110,989.51 and 44,131.39

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Solution

The fourth proportional to 80,430.73, 110,989.51 and 44,131.39 is: 60,898.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,430.73 : 110,989.51 = 44,131.39 : x
  2. Step 2: Convert to fraction form
    80,430.73/110,989.51 = 44,131.39/x
  3. Step 3: Cross multiply
    80,430.73x = 110,989.51 × 44,131.39
  4. Step 4: Simplify right side
    80,430.73x = 4,898,121,351.72
  5. Step 5: Solve for x
    x = 4,898,121,351.72/80,430.73
  6. Step 6: Final answer
    x = 60,898.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.