Home / 88,539.20-122,170.23-49,769.35

Finding the Fourth Proportional to 88,539.20, 122,170.23 and 49,769.35

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Solution

The fourth proportional to 88,539.20, 122,170.23 and 49,769.35 is: 68,673.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,539.20 : 122,170.23 = 49,769.35 : x
  2. Step 2: Convert to fraction form
    88,539.20/122,170.23 = 49,769.35/x
  3. Step 3: Cross multiply
    88,539.20x = 122,170.23 × 49,769.35
  4. Step 4: Simplify right side
    88,539.20x = 6,080,332,936.45
  5. Step 5: Solve for x
    x = 6,080,332,936.45/88,539.20
  6. Step 6: Final answer
    x = 68,673.91

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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.