Home / 71,180.86-98,222.07-39,344.62

Finding the Fourth Proportional to 71,180.86, 98,222.07 and 39,344.62

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Solution

The fourth proportional to 71,180.86, 98,222.07 and 39,344.62 is: 54,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,180.86 : 98,222.07 = 39,344.62 : x
  2. Step 2: Convert to fraction form
    71,180.86/98,222.07 = 39,344.62/x
  3. Step 3: Cross multiply
    71,180.86x = 98,222.07 × 39,344.62
  4. Step 4: Simplify right side
    71,180.86x = 3,864,510,019.76
  5. Step 5: Solve for x
    x = 3,864,510,019.76/71,180.86
  6. Step 6: Final answer
    x = 54,291.42

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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.