Home / 74,360.54-111,545.94-29,987.70

Finding the Fourth Proportional to 74,360.54, 111,545.94 and 29,987.70

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Solution

The fourth proportional to 74,360.54, 111,545.94 and 29,987.70 is: 44,983.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,360.54 : 111,545.94 = 29,987.70 : x
  2. Step 2: Convert to fraction form
    74,360.54/111,545.94 = 29,987.70/x
  3. Step 3: Cross multiply
    74,360.54x = 111,545.94 × 29,987.70
  4. Step 4: Simplify right side
    74,360.54x = 3,345,006,184.94
  5. Step 5: Solve for x
    x = 3,345,006,184.94/74,360.54
  6. Step 6: Final answer
    x = 44,983.62

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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.