Home / 73,697.38-110,545.62-21,106.87

Finding the Fourth Proportional to 73,697.38, 110,545.62 and 21,106.87

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Solution

The fourth proportional to 73,697.38, 110,545.62 and 21,106.87 is: 31,660.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,697.38 : 110,545.62 = 21,106.87 : x
  2. Step 2: Convert to fraction form
    73,697.38/110,545.62 = 21,106.87/x
  3. Step 3: Cross multiply
    73,697.38x = 110,545.62 × 21,106.87
  4. Step 4: Simplify right side
    73,697.38x = 2,333,272,030.41
  5. Step 5: Solve for x
    x = 2,333,272,030.41/73,697.38
  6. Step 6: Final answer
    x = 31,660.18

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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.