Home / 112,466.78-168,703.20-49,254.38

Finding the Fourth Proportional to 112,466.78, 168,703.20 and 49,254.38

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Solution

The fourth proportional to 112,466.78, 168,703.20 and 49,254.38 is: 73,882.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,466.78 : 168,703.20 = 49,254.38 : x
  2. Step 2: Convert to fraction form
    112,466.78/168,703.20 = 49,254.38/x
  3. Step 3: Cross multiply
    112,466.78x = 168,703.20 × 49,254.38
  4. Step 4: Simplify right side
    112,466.78x = 8,309,371,520.02
  5. Step 5: Solve for x
    x = 8,309,371,520.02/112,466.78
  6. Step 6: Final answer
    x = 73,882.90

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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.