Home / 75,621.60-113,437.92-25,681.44

Finding the Fourth Proportional to 75,621.60, 113,437.92 and 25,681.44

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Solution

The fourth proportional to 75,621.60, 113,437.92 and 25,681.44 is: 38,524.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,621.60 : 113,437.92 = 25,681.44 : x
  2. Step 2: Convert to fraction form
    75,621.60/113,437.92 = 25,681.44/x
  3. Step 3: Cross multiply
    75,621.60x = 113,437.92 × 25,681.44
  4. Step 4: Simplify right side
    75,621.60x = 2,913,249,136.20
  5. Step 5: Solve for x
    x = 2,913,249,136.20/75,621.60
  6. Step 6: Final answer
    x = 38,524.03

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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.