Home / 72,729.68-109,095.93-22,808.70

Finding the Fourth Proportional to 72,729.68, 109,095.93 and 22,808.70

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Solution

The fourth proportional to 72,729.68, 109,095.93 and 22,808.70 is: 34,213.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,729.68 : 109,095.93 = 22,808.70 : x
  2. Step 2: Convert to fraction form
    72,729.68/109,095.93 = 22,808.70/x
  3. Step 3: Cross multiply
    72,729.68x = 109,095.93 × 22,808.70
  4. Step 4: Simplify right side
    72,729.68x = 2,488,336,338.59
  5. Step 5: Solve for x
    x = 2,488,336,338.59/72,729.68
  6. Step 6: Final answer
    x = 34,213.49

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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.