Home / 88,169.14-121,673.38-47,882.92

Finding the Fourth Proportional to 88,169.14, 121,673.38 and 47,882.92

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Solution

The fourth proportional to 88,169.14, 121,673.38 and 47,882.92 is: 66,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,169.14 : 121,673.38 = 47,882.92 : x
  2. Step 2: Convert to fraction form
    88,169.14/121,673.38 = 47,882.92/x
  3. Step 3: Cross multiply
    88,169.14x = 121,673.38 × 47,882.92
  4. Step 4: Simplify right side
    88,169.14x = 5,826,076,112.30
  5. Step 5: Solve for x
    x = 5,826,076,112.30/88,169.14
  6. Step 6: Final answer
    x = 66,078.40

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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.