Home / 102,919.90-154,391.19-32,783.08

Finding the Fourth Proportional to 102,919.90, 154,391.19 and 32,783.08

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Solution

The fourth proportional to 102,919.90, 154,391.19 and 32,783.08 is: 49,178.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,919.90 : 154,391.19 = 32,783.08 : x
  2. Step 2: Convert to fraction form
    102,919.90/154,391.19 = 32,783.08/x
  3. Step 3: Cross multiply
    102,919.90x = 154,391.19 × 32,783.08
  4. Step 4: Simplify right side
    102,919.90x = 5,061,418,733.07
  5. Step 5: Solve for x
    x = 5,061,418,733.07/102,919.90
  6. Step 6: Final answer
    x = 49,178.23

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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.