Home / 90,644.46-125,091.58-49,808.25

Finding the Fourth Proportional to 90,644.46, 125,091.58 and 49,808.25

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Solution

The fourth proportional to 90,644.46, 125,091.58 and 49,808.25 is: 68,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,644.46 : 125,091.58 = 49,808.25 : x
  2. Step 2: Convert to fraction form
    90,644.46/125,091.58 = 49,808.25/x
  3. Step 3: Cross multiply
    90,644.46x = 125,091.58 × 49,808.25
  4. Step 4: Simplify right side
    90,644.46x = 6,230,592,720.29
  5. Step 5: Solve for x
    x = 6,230,592,720.29/90,644.46
  6. Step 6: Final answer
    x = 68,736.61

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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.