Home / 106,484.10-146,995.29-68,776.74

Finding the Fourth Proportional to 106,484.10, 146,995.29 and 68,776.74

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Solution

The fourth proportional to 106,484.10, 146,995.29 and 68,776.74 is: 94,942.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,484.10 : 146,995.29 = 68,776.74 : x
  2. Step 2: Convert to fraction form
    106,484.10/146,995.29 = 68,776.74/x
  3. Step 3: Cross multiply
    106,484.10x = 146,995.29 × 68,776.74
  4. Step 4: Simplify right side
    106,484.10x = 10,109,856,841.55
  5. Step 5: Solve for x
    x = 10,109,856,841.55/106,484.10
  6. Step 6: Final answer
    x = 94,942.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.