Home / 92,281.45-138,433.72-36,114.30

Finding the Fourth Proportional to 92,281.45, 138,433.72 and 36,114.30

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Solution

The fourth proportional to 92,281.45, 138,433.72 and 36,114.30 is: 54,175.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,281.45 : 138,433.72 = 36,114.30 : x
  2. Step 2: Convert to fraction form
    92,281.45/138,433.72 = 36,114.30/x
  3. Step 3: Cross multiply
    92,281.45x = 138,433.72 × 36,114.30
  4. Step 4: Simplify right side
    92,281.45x = 4,999,436,800.15
  5. Step 5: Solve for x
    x = 4,999,436,800.15/92,281.45
  6. Step 6: Final answer
    x = 54,175.97

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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.