Home / 113,402.49-170,142.01-50,213.91

Finding the Fourth Proportional to 113,402.49, 170,142.01 and 50,213.91

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Solution

The fourth proportional to 113,402.49, 170,142.01 and 50,213.91 is: 75,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,402.49 : 170,142.01 = 50,213.91 : x
  2. Step 2: Convert to fraction form
    113,402.49/170,142.01 = 50,213.91/x
  3. Step 3: Cross multiply
    113,402.49x = 170,142.01 × 50,213.91
  4. Step 4: Simplify right side
    113,402.49x = 8,543,495,577.36
  5. Step 5: Solve for x
    x = 8,543,495,577.36/113,402.49
  6. Step 6: Final answer
    x = 75,337.81

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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.