Home / 72,074.76-108,122.48-22,159.04

Finding the Fourth Proportional to 72,074.76, 108,122.48 and 22,159.04

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Solution

The fourth proportional to 72,074.76, 108,122.48 and 22,159.04 is: 33,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,074.76 : 108,122.48 = 22,159.04 : x
  2. Step 2: Convert to fraction form
    72,074.76/108,122.48 = 22,159.04/x
  3. Step 3: Cross multiply
    72,074.76x = 108,122.48 × 22,159.04
  4. Step 4: Simplify right side
    72,074.76x = 2,395,889,707.81
  5. Step 5: Solve for x
    x = 2,395,889,707.81/72,074.76
  6. Step 6: Final answer
    x = 33,241.73

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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.