Home / 90,738.91-125,219.04-50,452.36

Finding the Fourth Proportional to 90,738.91, 125,219.04 and 50,452.36

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Solution

The fourth proportional to 90,738.91, 125,219.04 and 50,452.36 is: 69,623.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,738.91 : 125,219.04 = 50,452.36 : x
  2. Step 2: Convert to fraction form
    90,738.91/125,219.04 = 50,452.36/x
  3. Step 3: Cross multiply
    90,738.91x = 125,219.04 × 50,452.36
  4. Step 4: Simplify right side
    90,738.91x = 6,317,596,084.93
  5. Step 5: Solve for x
    x = 6,317,596,084.93/90,738.91
  6. Step 6: Final answer
    x = 69,623.89

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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.