Home / 105,923.62-158,976.55-61,488.64

Finding the Fourth Proportional to 105,923.62, 158,976.55 and 61,488.64

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Solution

The fourth proportional to 105,923.62, 158,976.55 and 61,488.64 is: 92,285.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,923.62 : 158,976.55 = 61,488.64 : x
  2. Step 2: Convert to fraction form
    105,923.62/158,976.55 = 61,488.64/x
  3. Step 3: Cross multiply
    105,923.62x = 158,976.55 × 61,488.64
  4. Step 4: Simplify right side
    105,923.62x = 9,775,251,851.39
  5. Step 5: Solve for x
    x = 9,775,251,851.39/105,923.62
  6. Step 6: Final answer
    x = 92,285.86

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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.