Home / 83,739.78-115,560.87-46,016.46

Finding the Fourth Proportional to 83,739.78, 115,560.87 and 46,016.46

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Solution

The fourth proportional to 83,739.78, 115,560.87 and 46,016.46 is: 63,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,739.78 : 115,560.87 = 46,016.46 : x
  2. Step 2: Convert to fraction form
    83,739.78/115,560.87 = 46,016.46/x
  3. Step 3: Cross multiply
    83,739.78x = 115,560.87 × 46,016.46
  4. Step 4: Simplify right side
    83,739.78x = 5,317,702,151.92
  5. Step 5: Solve for x
    x = 5,317,702,151.92/83,739.78
  6. Step 6: Final answer
    x = 63,502.70

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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.