Home / 73,918.53-110,876.18-31,826.61

Finding the Fourth Proportional to 73,918.53, 110,876.18 and 31,826.61

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Solution

The fourth proportional to 73,918.53, 110,876.18 and 31,826.61 is: 47,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,918.53 : 110,876.18 = 31,826.61 : x
  2. Step 2: Convert to fraction form
    73,918.53/110,876.18 = 31,826.61/x
  3. Step 3: Cross multiply
    73,918.53x = 110,876.18 × 31,826.61
  4. Step 4: Simplify right side
    73,918.53x = 3,528,812,780.02
  5. Step 5: Solve for x
    x = 3,528,812,780.02/73,918.53
  6. Step 6: Final answer
    x = 47,739.22

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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.