Home / 83,804.28-115,645.08-46,078.56

Finding the Fourth Proportional to 83,804.28, 115,645.08 and 46,078.56

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Solution

The fourth proportional to 83,804.28, 115,645.08 and 46,078.56 is: 63,585.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,804.28 : 115,645.08 = 46,078.56 : x
  2. Step 2: Convert to fraction form
    83,804.28/115,645.08 = 46,078.56/x
  3. Step 3: Cross multiply
    83,804.28x = 115,645.08 × 46,078.56
  4. Step 4: Simplify right side
    83,804.28x = 5,328,758,757.48
  5. Step 5: Solve for x
    x = 5,328,758,757.48/83,804.28
  6. Step 6: Final answer
    x = 63,585.76

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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.