Home / 97,949.52-135,131.58-63,947.16

Finding the Fourth Proportional to 97,949.52, 135,131.58 and 63,947.16

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Solution

The fourth proportional to 97,949.52, 135,131.58 and 63,947.16 is: 88,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,949.52 : 135,131.58 = 63,947.16 : x
  2. Step 2: Convert to fraction form
    97,949.52/135,131.58 = 63,947.16/x
  3. Step 3: Cross multiply
    97,949.52x = 135,131.58 × 63,947.16
  4. Step 4: Simplify right side
    97,949.52x = 8,641,280,767.31
  5. Step 5: Solve for x
    x = 8,641,280,767.31/97,949.52
  6. Step 6: Final answer
    x = 88,221.78

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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.