Home / 75,670.30-113,424.45-25,704.10

Finding the Fourth Proportional to 75,670.30, 113,424.45 and 25,704.10

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Solution

The fourth proportional to 75,670.30, 113,424.45 and 25,704.10 is: 38,528.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,670.30 : 113,424.45 = 25,704.10 : x
  2. Step 2: Convert to fraction form
    75,670.30/113,424.45 = 25,704.10/x
  3. Step 3: Cross multiply
    75,670.30x = 113,424.45 × 25,704.10
  4. Step 4: Simplify right side
    75,670.30x = 2,915,473,405.25
  5. Step 5: Solve for x
    x = 2,915,473,405.25/75,670.30
  6. Step 6: Final answer
    x = 38,528.64

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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.