Home / 102,648.38-154,069.45-52,763.51

Finding the Fourth Proportional to 102,648.38, 154,069.45 and 52,763.51

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Solution

The fourth proportional to 102,648.38, 154,069.45 and 52,763.51 is: 79,195.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,648.38 : 154,069.45 = 52,763.51 : x
  2. Step 2: Convert to fraction form
    102,648.38/154,069.45 = 52,763.51/x
  3. Step 3: Cross multiply
    102,648.38x = 154,069.45 × 52,763.51
  4. Step 4: Simplify right side
    102,648.38x = 8,129,245,152.26
  5. Step 5: Solve for x
    x = 8,129,245,152.26/102,648.38
  6. Step 6: Final answer
    x = 79,195.06

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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.