Home / 90,951.25-125,507.85-50,114.11

Finding the Fourth Proportional to 90,951.25, 125,507.85 and 50,114.11

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Solution

The fourth proportional to 90,951.25, 125,507.85 and 50,114.11 is: 69,154.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,951.25 : 125,507.85 = 50,114.11 : x
  2. Step 2: Convert to fraction form
    90,951.25/125,507.85 = 50,114.11/x
  3. Step 3: Cross multiply
    90,951.25x = 125,507.85 × 50,114.11
  4. Step 4: Simplify right side
    90,951.25x = 6,289,714,200.76
  5. Step 5: Solve for x
    x = 6,289,714,200.76/90,951.25
  6. Step 6: Final answer
    x = 69,154.79

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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.