Home / 107,692.10-148,592.56-65,242.43

Finding the Fourth Proportional to 107,692.10, 148,592.56 and 65,242.43

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Solution

The fourth proportional to 107,692.10, 148,592.56 and 65,242.43 is: 90,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,692.10 : 148,592.56 = 65,242.43 : x
  2. Step 2: Convert to fraction form
    107,692.10/148,592.56 = 65,242.43/x
  3. Step 3: Cross multiply
    107,692.10x = 148,592.56 × 65,242.43
  4. Step 4: Simplify right side
    107,692.10x = 9,694,539,694.32
  5. Step 5: Solve for x
    x = 9,694,539,694.32/107,692.10
  6. Step 6: Final answer
    x = 90,020.90

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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.