Home / 102,690.14-153,660.52-60,590.39

Finding the Fourth Proportional to 102,690.14, 153,660.52 and 60,590.39

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Solution

The fourth proportional to 102,690.14, 153,660.52 and 60,590.39 is: 90,664.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,690.14 : 153,660.52 = 60,590.39 : x
  2. Step 2: Convert to fraction form
    102,690.14/153,660.52 = 60,590.39/x
  3. Step 3: Cross multiply
    102,690.14x = 153,660.52 × 60,590.39
  4. Step 4: Simplify right side
    102,690.14x = 9,310,351,067.08
  5. Step 5: Solve for x
    x = 9,310,351,067.08/102,690.14
  6. Step 6: Final answer
    x = 90,664.51

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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.