Home / 60,070.62-90,110.73-18,517.50

Finding the Fourth Proportional to 60,070.62, 90,110.73 and 18,517.50

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Solution

The fourth proportional to 60,070.62, 90,110.73 and 18,517.50 is: 27,777.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,070.62 : 90,110.73 = 18,517.50 : x
  2. Step 2: Convert to fraction form
    60,070.62/90,110.73 = 18,517.50/x
  3. Step 3: Cross multiply
    60,070.62x = 90,110.73 × 18,517.50
  4. Step 4: Simplify right side
    60,070.62x = 1,668,625,442.78
  5. Step 5: Solve for x
    x = 1,668,625,442.78/60,070.62
  6. Step 6: Final answer
    x = 27,777.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.