Home / 90,306.45-124,626.37-50,019.35

Finding the Fourth Proportional to 90,306.45, 124,626.37 and 50,019.35

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Solution

The fourth proportional to 90,306.45, 124,626.37 and 50,019.35 is: 69,028.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,306.45 : 124,626.37 = 50,019.35 : x
  2. Step 2: Convert to fraction form
    90,306.45/124,626.37 = 50,019.35/x
  3. Step 3: Cross multiply
    90,306.45x = 124,626.37 × 50,019.35
  4. Step 4: Simplify right side
    90,306.45x = 6,233,730,206.78
  5. Step 5: Solve for x
    x = 6,233,730,206.78/90,306.45
  6. Step 6: Final answer
    x = 69,028.63

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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.