Home / 106,684.03-147,223.59-61,359.88

Finding the Fourth Proportional to 106,684.03, 147,223.59 and 61,359.88

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Solution

The fourth proportional to 106,684.03, 147,223.59 and 61,359.88 is: 84,676.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,684.03 : 147,223.59 = 61,359.88 : x
  2. Step 2: Convert to fraction form
    106,684.03/147,223.59 = 61,359.88/x
  3. Step 3: Cross multiply
    106,684.03x = 147,223.59 × 61,359.88
  4. Step 4: Simplify right side
    106,684.03x = 9,033,621,815.57
  5. Step 5: Solve for x
    x = 9,033,621,815.57/106,684.03
  6. Step 6: Final answer
    x = 84,676.42

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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.