Home / 115,665.92-173,500.12-40,772.12

Finding the Fourth Proportional to 115,665.92, 173,500.12 and 40,772.12

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Solution

The fourth proportional to 115,665.92, 173,500.12 and 40,772.12 is: 61,158.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,665.92 : 173,500.12 = 40,772.12 : x
  2. Step 2: Convert to fraction form
    115,665.92/173,500.12 = 40,772.12/x
  3. Step 3: Cross multiply
    115,665.92x = 173,500.12 × 40,772.12
  4. Step 4: Simplify right side
    115,665.92x = 7,073,967,712.65
  5. Step 5: Solve for x
    x = 7,073,967,712.65/115,665.92
  6. Step 6: Final answer
    x = 61,158.62

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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.