Home / 88,169.02-121,673.21-47,882.79

Finding the Fourth Proportional to 88,169.02, 121,673.21 and 47,882.79

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Solution

The fourth proportional to 88,169.02, 121,673.21 and 47,882.79 is: 66,078.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,169.02 : 121,673.21 = 47,882.79 : x
  2. Step 2: Convert to fraction form
    88,169.02/121,673.21 = 47,882.79/x
  3. Step 3: Cross multiply
    88,169.02x = 121,673.21 × 47,882.79
  4. Step 4: Simplify right side
    88,169.02x = 5,826,052,763.06
  5. Step 5: Solve for x
    x = 5,826,052,763.06/88,169.02
  6. Step 6: Final answer
    x = 66,078.23

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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.