Home / 72,604.14-108,878.13-25,205.10

Finding the Fourth Proportional to 72,604.14, 108,878.13 and 25,205.10

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Solution

The fourth proportional to 72,604.14, 108,878.13 and 25,205.10 is: 37,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,604.14 : 108,878.13 = 25,205.10 : x
  2. Step 2: Convert to fraction form
    72,604.14/108,878.13 = 25,205.10/x
  3. Step 3: Cross multiply
    72,604.14x = 108,878.13 × 25,205.10
  4. Step 4: Simplify right side
    72,604.14x = 2,744,284,154.46
  5. Step 5: Solve for x
    x = 2,744,284,154.46/72,604.14
  6. Step 6: Final answer
    x = 37,797.90

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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.