Home / 90,474.36-124,919.33-60,330.75

Finding the Fourth Proportional to 90,474.36, 124,919.33 and 60,330.75

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Solution

The fourth proportional to 90,474.36, 124,919.33 and 60,330.75 is: 83,299.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,474.36 : 124,919.33 = 60,330.75 : x
  2. Step 2: Convert to fraction form
    90,474.36/124,919.33 = 60,330.75/x
  3. Step 3: Cross multiply
    90,474.36x = 124,919.33 × 60,330.75
  4. Step 4: Simplify right side
    90,474.36x = 7,536,476,566.74
  5. Step 5: Solve for x
    x = 7,536,476,566.74/90,474.36
  6. Step 6: Final answer
    x = 83,299.58

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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.