Home / 92,500.10-138,701.55-33,326.90

Finding the Fourth Proportional to 92,500.10, 138,701.55 and 33,326.90

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Solution

The fourth proportional to 92,500.10, 138,701.55 and 33,326.90 is: 49,972.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,500.10 : 138,701.55 = 33,326.90 : x
  2. Step 2: Convert to fraction form
    92,500.10/138,701.55 = 33,326.90/x
  3. Step 3: Cross multiply
    92,500.10x = 138,701.55 × 33,326.90
  4. Step 4: Simplify right side
    92,500.10x = 4,622,492,686.70
  5. Step 5: Solve for x
    x = 4,622,492,686.70/92,500.10
  6. Step 6: Final answer
    x = 49,972.84

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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.