Home / 65,180.20-97,730.70-25,691.80

Finding the Fourth Proportional to 65,180.20, 97,730.70 and 25,691.80

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Solution

The fourth proportional to 65,180.20, 97,730.70 and 25,691.80 is: 38,522.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,180.20 : 97,730.70 = 25,691.80 : x
  2. Step 2: Convert to fraction form
    65,180.20/97,730.70 = 25,691.80/x
  3. Step 3: Cross multiply
    65,180.20x = 97,730.70 × 25,691.80
  4. Step 4: Simplify right side
    65,180.20x = 2,510,877,598.26
  5. Step 5: Solve for x
    x = 2,510,877,598.26/65,180.20
  6. Step 6: Final answer
    x = 38,522.09

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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.