Home / 106,786.78-147,358.53-59,033.68

Finding the Fourth Proportional to 106,786.78, 147,358.53 and 59,033.68

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Solution

The fourth proportional to 106,786.78, 147,358.53 and 59,033.68 is: 81,462.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,786.78 : 147,358.53 = 59,033.68 : x
  2. Step 2: Convert to fraction form
    106,786.78/147,358.53 = 59,033.68/x
  3. Step 3: Cross multiply
    106,786.78x = 147,358.53 × 59,033.68
  4. Step 4: Simplify right side
    106,786.78x = 8,699,116,305.29
  5. Step 5: Solve for x
    x = 8,699,116,305.29/106,786.78
  6. Step 6: Final answer
    x = 81,462.48

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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.