Home / 45,421.29-62,684.32-25,278.11

Finding the Fourth Proportional to 45,421.29, 62,684.32 and 25,278.11

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Solution

The fourth proportional to 45,421.29, 62,684.32 and 25,278.11 is: 34,885.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,421.29 : 62,684.32 = 25,278.11 : x
  2. Step 2: Convert to fraction form
    45,421.29/62,684.32 = 25,278.11/x
  3. Step 3: Cross multiply
    45,421.29x = 62,684.32 × 25,278.11
  4. Step 4: Simplify right side
    45,421.29x = 1,584,541,136.24
  5. Step 5: Solve for x
    x = 1,584,541,136.24/45,421.29
  6. Step 6: Final answer
    x = 34,885.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.