Home / 106,335.16-146,640.18-69,971.56

Finding the Fourth Proportional to 106,335.16, 146,640.18 and 69,971.56

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Solution

The fourth proportional to 106,335.16, 146,640.18 and 69,971.56 is: 96,493.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,335.16 : 146,640.18 = 69,971.56 : x
  2. Step 2: Convert to fraction form
    106,335.16/146,640.18 = 69,971.56/x
  3. Step 3: Cross multiply
    106,335.16x = 146,640.18 × 69,971.56
  4. Step 4: Simplify right side
    106,335.16x = 10,260,642,153.28
  5. Step 5: Solve for x
    x = 10,260,642,153.28/106,335.16
  6. Step 6: Final answer
    x = 96,493.41

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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.