Home / 45,271.98-67,974.61-25,320.56

Finding the Fourth Proportional to 45,271.98, 67,974.61 and 25,320.56

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Solution

The fourth proportional to 45,271.98, 67,974.61 and 25,320.56 is: 38,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,271.98 : 67,974.61 = 25,320.56 : x
  2. Step 2: Convert to fraction form
    45,271.98/67,974.61 = 25,320.56/x
  3. Step 3: Cross multiply
    45,271.98x = 67,974.61 × 25,320.56
  4. Step 4: Simplify right side
    45,271.98x = 1,721,155,190.98
  5. Step 5: Solve for x
    x = 1,721,155,190.98/45,271.98
  6. Step 6: Final answer
    x = 38,018.11

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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.