Home / 92,311.14-138,454.38-25,745.70

Finding the Fourth Proportional to 92,311.14, 138,454.38 and 25,745.70

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Solution

The fourth proportional to 92,311.14, 138,454.38 and 25,745.70 is: 38,615.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,311.14 : 138,454.38 = 25,745.70 : x
  2. Step 2: Convert to fraction form
    92,311.14/138,454.38 = 25,745.70/x
  3. Step 3: Cross multiply
    92,311.14x = 138,454.38 × 25,745.70
  4. Step 4: Simplify right side
    92,311.14x = 3,564,604,931.17
  5. Step 5: Solve for x
    x = 3,564,604,931.17/92,311.14
  6. Step 6: Final answer
    x = 38,615.11

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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.