Home / 90,604.74-125,030.30-50,321.10

Finding the Fourth Proportional to 90,604.74, 125,030.30 and 50,321.10

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Solution

The fourth proportional to 90,604.74, 125,030.30 and 50,321.10 is: 69,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,604.74 : 125,030.30 = 50,321.10 : x
  2. Step 2: Convert to fraction form
    90,604.74/125,030.30 = 50,321.10/x
  3. Step 3: Cross multiply
    90,604.74x = 125,030.30 × 50,321.10
  4. Step 4: Simplify right side
    90,604.74x = 6,291,662,229.33
  5. Step 5: Solve for x
    x = 6,291,662,229.33/90,604.74
  6. Step 6: Final answer
    x = 69,440.76

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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.