Home / 92,445.15-138,688.47-29,269.05

Finding the Fourth Proportional to 92,445.15, 138,688.47 and 29,269.05

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Solution

The fourth proportional to 92,445.15, 138,688.47 and 29,269.05 is: 43,910.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,445.15 : 138,688.47 = 29,269.05 : x
  2. Step 2: Convert to fraction form
    92,445.15/138,688.47 = 29,269.05/x
  3. Step 3: Cross multiply
    92,445.15x = 138,688.47 × 29,269.05
  4. Step 4: Simplify right side
    92,445.15x = 4,059,279,762.85
  5. Step 5: Solve for x
    x = 4,059,279,762.85/92,445.15
  6. Step 6: Final answer
    x = 43,910.14

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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.