Home / 83,135.52-114,727.58-45,409.76

Finding the Fourth Proportional to 83,135.52, 114,727.58 and 45,409.76

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Solution

The fourth proportional to 83,135.52, 114,727.58 and 45,409.76 is: 62,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,135.52 : 114,727.58 = 45,409.76 : x
  2. Step 2: Convert to fraction form
    83,135.52/114,727.58 = 45,409.76/x
  3. Step 3: Cross multiply
    83,135.52x = 114,727.58 × 45,409.76
  4. Step 4: Simplify right side
    83,135.52x = 5,209,751,873.18
  5. Step 5: Solve for x
    x = 5,209,751,873.18/83,135.52
  6. Step 6: Final answer
    x = 62,665.78

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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.