Home / 74,545.90-111,815.20-27,795.12

Finding the Fourth Proportional to 74,545.90, 111,815.20 and 27,795.12

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Solution

The fourth proportional to 74,545.90, 111,815.20 and 27,795.12 is: 41,691.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,545.90 : 111,815.20 = 27,795.12 : x
  2. Step 2: Convert to fraction form
    74,545.90/111,815.20 = 27,795.12/x
  3. Step 3: Cross multiply
    74,545.90x = 111,815.20 × 27,795.12
  4. Step 4: Simplify right side
    74,545.90x = 3,107,916,901.82
  5. Step 5: Solve for x
    x = 3,107,916,901.82/74,545.90
  6. Step 6: Final answer
    x = 41,691.32

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1.5x scale

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.