Home / 83,776.56-115,618.68-46,057.92

Finding the Fourth Proportional to 83,776.56, 115,618.68 and 46,057.92

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Solution

The fourth proportional to 83,776.56, 115,618.68 and 46,057.92 is: 63,563.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,776.56 : 115,618.68 = 46,057.92 : x
  2. Step 2: Convert to fraction form
    83,776.56/115,618.68 = 46,057.92/x
  3. Step 3: Cross multiply
    83,776.56x = 115,618.68 × 46,057.92
  4. Step 4: Simplify right side
    83,776.56x = 5,325,155,913.95
  5. Step 5: Solve for x
    x = 5,325,155,913.95/83,776.56
  6. Step 6: Final answer
    x = 63,563.79

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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.