Home / 90,868.62-125,395.76-50,581.05

Finding the Fourth Proportional to 90,868.62, 125,395.76 and 50,581.05

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Solution

The fourth proportional to 90,868.62, 125,395.76 and 50,581.05 is: 69,800.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,868.62 : 125,395.76 = 50,581.05 : x
  2. Step 2: Convert to fraction form
    90,868.62/125,395.76 = 50,581.05/x
  3. Step 3: Cross multiply
    90,868.62x = 125,395.76 × 50,581.05
  4. Step 4: Simplify right side
    90,868.62x = 6,342,649,206.35
  5. Step 5: Solve for x
    x = 6,342,649,206.35/90,868.62
  6. Step 6: Final answer
    x = 69,800.21

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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.