Home / 106,541.72-159,761.52-50,335.04

Finding the Fourth Proportional to 106,541.72, 159,761.52 and 50,335.04

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Solution

The fourth proportional to 106,541.72, 159,761.52 and 50,335.04 is: 75,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,541.72 : 159,761.52 = 50,335.04 : x
  2. Step 2: Convert to fraction form
    106,541.72/159,761.52 = 50,335.04/x
  3. Step 3: Cross multiply
    106,541.72x = 159,761.52 × 50,335.04
  4. Step 4: Simplify right side
    106,541.72x = 8,041,602,499.66
  5. Step 5: Solve for x
    x = 8,041,602,499.66/106,541.72
  6. Step 6: Final answer
    x = 75,478.44

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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.