Home / 83,003.86-114,545.19-45,278.11

Finding the Fourth Proportional to 83,003.86, 114,545.19 and 45,278.11

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Solution

The fourth proportional to 83,003.86, 114,545.19 and 45,278.11 is: 62,483.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,003.86 : 114,545.19 = 45,278.11 : x
  2. Step 2: Convert to fraction form
    83,003.86/114,545.19 = 45,278.11/x
  3. Step 3: Cross multiply
    83,003.86x = 114,545.19 × 45,278.11
  4. Step 4: Simplify right side
    83,003.86x = 5,186,388,913.67
  5. Step 5: Solve for x
    x = 5,186,388,913.67/83,003.86
  6. Step 6: Final answer
    x = 62,483.71

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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.