Home / 75,663.41-113,439.22-25,730.15

Finding the Fourth Proportional to 75,663.41, 113,439.22 and 25,730.15

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Solution

The fourth proportional to 75,663.41, 113,439.22 and 25,730.15 is: 38,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,663.41 : 113,439.22 = 25,730.15 : x
  2. Step 2: Convert to fraction form
    75,663.41/113,439.22 = 25,730.15/x
  3. Step 3: Cross multiply
    75,663.41x = 113,439.22 × 25,730.15
  4. Step 4: Simplify right side
    75,663.41x = 2,918,807,514.96
  5. Step 5: Solve for x
    x = 2,918,807,514.96/75,663.41
  6. Step 6: Final answer
    x = 38,576.21

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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.