Home / 88,539.47-122,170.50-49,769.65

Finding the Fourth Proportional to 88,539.47, 122,170.50 and 49,769.65

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Solution

The fourth proportional to 88,539.47, 122,170.50 and 49,769.65 is: 68,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,539.47 : 122,170.50 = 49,769.65 : x
  2. Step 2: Convert to fraction form
    88,539.47/122,170.50 = 49,769.65/x
  3. Step 3: Cross multiply
    88,539.47x = 122,170.50 × 49,769.65
  4. Step 4: Simplify right side
    88,539.47x = 6,080,383,025.33
  5. Step 5: Solve for x
    x = 6,080,383,025.33/88,539.47
  6. Step 6: Final answer
    x = 68,674.26

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Double scale
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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.