Home / 90,630.60-125,067.36-50,345.52

Finding the Fourth Proportional to 90,630.60, 125,067.36 and 50,345.52

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Solution

The fourth proportional to 90,630.60, 125,067.36 and 50,345.52 is: 69,475.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,630.60 : 125,067.36 = 50,345.52 : x
  2. Step 2: Convert to fraction form
    90,630.60/125,067.36 = 50,345.52/x
  3. Step 3: Cross multiply
    90,630.60x = 125,067.36 × 50,345.52
  4. Step 4: Simplify right side
    90,630.60x = 6,296,581,274.23
  5. Step 5: Solve for x
    x = 6,296,581,274.23/90,630.60
  6. Step 6: Final answer
    x = 69,475.22

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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.