Home / 106,982.55-147,592.71-61,636.23

Finding the Fourth Proportional to 106,982.55, 147,592.71 and 61,636.23

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Solution

The fourth proportional to 106,982.55, 147,592.71 and 61,636.23 is: 85,033.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,982.55 : 147,592.71 = 61,636.23 : x
  2. Step 2: Convert to fraction form
    106,982.55/147,592.71 = 61,636.23/x
  3. Step 3: Cross multiply
    106,982.55x = 147,592.71 × 61,636.23
  4. Step 4: Simplify right side
    106,982.55x = 9,097,058,219.88
  5. Step 5: Solve for x
    x = 9,097,058,219.88/106,982.55
  6. Step 6: Final answer
    x = 85,033.10

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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.