Home / 106,986.11-147,645.43-59,239.42

Finding the Fourth Proportional to 106,986.11, 147,645.43 and 59,239.42

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Solution

The fourth proportional to 106,986.11, 147,645.43 and 59,239.42 is: 81,752.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,986.11 : 147,645.43 = 59,239.42 : x
  2. Step 2: Convert to fraction form
    106,986.11/147,645.43 = 59,239.42/x
  3. Step 3: Cross multiply
    106,986.11x = 147,645.43 × 59,239.42
  4. Step 4: Simplify right side
    106,986.11x = 8,746,429,121.64
  5. Step 5: Solve for x
    x = 8,746,429,121.64/106,986.11
  6. Step 6: Final answer
    x = 81,752.94

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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.