Home / 102,850.92-154,364.04-40,565.16

Finding the Fourth Proportional to 102,850.92, 154,364.04 and 40,565.16

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Solution

The fourth proportional to 102,850.92, 154,364.04 and 40,565.16 is: 60,882.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,850.92 : 154,364.04 = 40,565.16 : x
  2. Step 2: Convert to fraction form
    102,850.92/154,364.04 = 40,565.16/x
  3. Step 3: Cross multiply
    102,850.92x = 154,364.04 × 40,565.16
  4. Step 4: Simplify right side
    102,850.92x = 6,261,801,980.85
  5. Step 5: Solve for x
    x = 6,261,801,980.85/102,850.92
  6. Step 6: Final answer
    x = 60,882.31

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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.