Home / 90,867.62-125,394.38-50,580.05

Finding the Fourth Proportional to 90,867.62, 125,394.38 and 50,580.05

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Solution

The fourth proportional to 90,867.62, 125,394.38 and 50,580.05 is: 69,798.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,867.62 : 125,394.38 = 50,580.05 : x
  2. Step 2: Convert to fraction form
    90,867.62/125,394.38 = 50,580.05/x
  3. Step 3: Cross multiply
    90,867.62x = 125,394.38 × 50,580.05
  4. Step 4: Simplify right side
    90,867.62x = 6,342,453,319.92
  5. Step 5: Solve for x
    x = 6,342,453,319.92/90,867.62
  6. Step 6: Final answer
    x = 69,798.83

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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.