Home / 109,337.84-164,029.78-61,975.64

Finding the Fourth Proportional to 109,337.84, 164,029.78 and 61,975.64

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Solution

The fourth proportional to 109,337.84, 164,029.78 and 61,975.64 is: 92,976.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,337.84 : 164,029.78 = 61,975.64 : x
  2. Step 2: Convert to fraction form
    109,337.84/164,029.78 = 61,975.64/x
  3. Step 3: Cross multiply
    109,337.84x = 164,029.78 × 61,975.64
  4. Step 4: Simplify right side
    109,337.84x = 10,165,850,594.56
  5. Step 5: Solve for x
    x = 10,165,850,594.56/109,337.84
  6. Step 6: Final answer
    x = 92,976.51

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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.