Home / 72,348.20-108,554.70-25,634.60

Finding the Fourth Proportional to 72,348.20, 108,554.70 and 25,634.60

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Solution

The fourth proportional to 72,348.20, 108,554.70 and 25,634.60 is: 38,463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,348.20 : 108,554.70 = 25,634.60 : x
  2. Step 2: Convert to fraction form
    72,348.20/108,554.70 = 25,634.60/x
  3. Step 3: Cross multiply
    72,348.20x = 108,554.70 × 25,634.60
  4. Step 4: Simplify right side
    72,348.20x = 2,782,756,312.62
  5. Step 5: Solve for x
    x = 2,782,756,312.62/72,348.20
  6. Step 6: Final answer
    x = 38,463.38

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1.5x scale

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.