Home / 83,003.50-114,545.64-45,278.56

Finding the Fourth Proportional to 83,003.50, 114,545.64 and 45,278.56

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Solution

The fourth proportional to 83,003.50, 114,545.64 and 45,278.56 is: 62,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,003.50 : 114,545.64 = 45,278.56 : x
  2. Step 2: Convert to fraction form
    83,003.50/114,545.64 = 45,278.56/x
  3. Step 3: Cross multiply
    83,003.50x = 114,545.64 × 45,278.56
  4. Step 4: Simplify right side
    83,003.50x = 5,186,461,633.48
  5. Step 5: Solve for x
    x = 5,186,461,633.48/83,003.50
  6. Step 6: Final answer
    x = 62,484.85

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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.