Home / 90,635.85-125,097.48-50,363.46

Finding the Fourth Proportional to 90,635.85, 125,097.48 and 50,363.46

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Solution

The fourth proportional to 90,635.85, 125,097.48 and 50,363.46 is: 69,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,635.85 : 125,097.48 = 50,363.46 : x
  2. Step 2: Convert to fraction form
    90,635.85/125,097.48 = 50,363.46/x
  3. Step 3: Cross multiply
    90,635.85x = 125,097.48 × 50,363.46
  4. Step 4: Simplify right side
    90,635.85x = 6,300,341,930.08
  5. Step 5: Solve for x
    x = 6,300,341,930.08/90,635.85
  6. Step 6: Final answer
    x = 69,512.69

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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.