Home / 119,555.12-164,986.56-68,569.82

Finding the Fourth Proportional to 119,555.12, 164,986.56 and 68,569.82

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Solution

The fourth proportional to 119,555.12, 164,986.56 and 68,569.82 is: 94,626.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,555.12 : 164,986.56 = 68,569.82 : x
  2. Step 2: Convert to fraction form
    119,555.12/164,986.56 = 68,569.82/x
  3. Step 3: Cross multiply
    119,555.12x = 164,986.56 × 68,569.82
  4. Step 4: Simplify right side
    119,555.12x = 11,313,098,721.62
  5. Step 5: Solve for x
    x = 11,313,098,721.62/119,555.12
  6. Step 6: Final answer
    x = 94,626.64

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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.