Home / 109,838.56-164,698.57-49,834.28

Finding the Fourth Proportional to 109,838.56, 164,698.57 and 49,834.28

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Solution

The fourth proportional to 109,838.56, 164,698.57 and 49,834.28 is: 74,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,838.56 : 164,698.57 = 49,834.28 : x
  2. Step 2: Convert to fraction form
    109,838.56/164,698.57 = 49,834.28/x
  3. Step 3: Cross multiply
    109,838.56x = 164,698.57 × 49,834.28
  4. Step 4: Simplify right side
    109,838.56x = 8,207,634,730.90
  5. Step 5: Solve for x
    x = 8,207,634,730.90/109,838.56
  6. Step 6: Final answer
    x = 74,724.53

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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.