Home / 90,520.74-124,919.73-50,238.45

Finding the Fourth Proportional to 90,520.74, 124,919.73 and 50,238.45

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Solution

The fourth proportional to 90,520.74, 124,919.73 and 50,238.45 is: 69,329.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,520.74 : 124,919.73 = 50,238.45 : x
  2. Step 2: Convert to fraction form
    90,520.74/124,919.73 = 50,238.45/x
  3. Step 3: Cross multiply
    90,520.74x = 124,919.73 × 50,238.45
  4. Step 4: Simplify right side
    90,520.74x = 6,275,773,609.62
  5. Step 5: Solve for x
    x = 6,275,773,609.62/90,520.74
  6. Step 6: Final answer
    x = 69,329.68

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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.