Home / 83,947.11-115,847.78-46,222.71

Finding the Fourth Proportional to 83,947.11, 115,847.78 and 46,222.71

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Solution

The fourth proportional to 83,947.11, 115,847.78 and 46,222.71 is: 63,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,947.11 : 115,847.78 = 46,222.71 : x
  2. Step 2: Convert to fraction form
    83,947.11/115,847.78 = 46,222.71/x
  3. Step 3: Cross multiply
    83,947.11x = 115,847.78 × 46,222.71
  4. Step 4: Simplify right side
    83,947.11x = 5,354,798,339.08
  5. Step 5: Solve for x
    x = 5,354,798,339.08/83,947.11
  6. Step 6: Final answer
    x = 63,787.76

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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.