Home / 92,285.10-138,420.45-36,114.30

Finding the Fourth Proportional to 92,285.10, 138,420.45 and 36,114.30

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Solution

The fourth proportional to 92,285.10, 138,420.45 and 36,114.30 is: 54,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,285.10 : 138,420.45 = 36,114.30 : x
  2. Step 2: Convert to fraction form
    92,285.10/138,420.45 = 36,114.30/x
  3. Step 3: Cross multiply
    92,285.10x = 138,420.45 × 36,114.30
  4. Step 4: Simplify right side
    92,285.10x = 4,998,957,657.44
  5. Step 5: Solve for x
    x = 4,998,957,657.44/92,285.10
  6. Step 6: Final answer
    x = 54,168.63

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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.