Home / 106,456.57-146,903.31-61,102.62

Finding the Fourth Proportional to 106,456.57, 146,903.31 and 61,102.62

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Solution

The fourth proportional to 106,456.57, 146,903.31 and 61,102.62 is: 84,317.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,456.57 : 146,903.31 = 61,102.62 : x
  2. Step 2: Convert to fraction form
    106,456.57/146,903.31 = 61,102.62/x
  3. Step 3: Cross multiply
    106,456.57x = 146,903.31 × 61,102.62
  4. Step 4: Simplify right side
    106,456.57x = 8,976,177,127.67
  5. Step 5: Solve for x
    x = 8,976,177,127.67/106,456.57
  6. Step 6: Final answer
    x = 84,317.74

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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.