Home / 92,291.40-138,437.10-29,961.90

Finding the Fourth Proportional to 92,291.40, 138,437.10 and 29,961.90

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Solution

The fourth proportional to 92,291.40, 138,437.10 and 29,961.90 is: 44,942.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,291.40 : 138,437.10 = 29,961.90 : x
  2. Step 2: Convert to fraction form
    92,291.40/138,437.10 = 29,961.90/x
  3. Step 3: Cross multiply
    92,291.40x = 138,437.10 × 29,961.90
  4. Step 4: Simplify right side
    92,291.40x = 4,147,838,546.49
  5. Step 5: Solve for x
    x = 4,147,838,546.49/92,291.40
  6. Step 6: Final answer
    x = 44,942.85

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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.