Home / 90,574.20-124,993.53-50,290.47

Finding the Fourth Proportional to 90,574.20, 124,993.53 and 50,290.47

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Solution

The fourth proportional to 90,574.20, 124,993.53 and 50,290.47 is: 69,401.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,574.20 : 124,993.53 = 50,290.47 : x
  2. Step 2: Convert to fraction form
    90,574.20/124,993.53 = 50,290.47/x
  3. Step 3: Cross multiply
    90,574.20x = 124,993.53 × 50,290.47
  4. Step 4: Simplify right side
    90,574.20x = 6,285,983,370.66
  5. Step 5: Solve for x
    x = 6,285,983,370.66/90,574.20
  6. Step 6: Final answer
    x = 69,401.48

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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.