Home / 90,635.56-125,076.96-50,353.04

Finding the Fourth Proportional to 90,635.56, 125,076.96 and 50,353.04

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Solution

The fourth proportional to 90,635.56, 125,076.96 and 50,353.04 is: 69,487.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,635.56 : 125,076.96 = 50,353.04 : x
  2. Step 2: Convert to fraction form
    90,635.56/125,076.96 = 50,353.04/x
  3. Step 3: Cross multiply
    90,635.56x = 125,076.96 × 50,353.04
  4. Step 4: Simplify right side
    90,635.56x = 6,298,005,482.65
  5. Step 5: Solve for x
    x = 6,298,005,482.65/90,635.56
  6. Step 6: Final answer
    x = 69,487.14

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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.