Home / 107,734.80-148,680.14-64,727.44

Finding the Fourth Proportional to 107,734.80, 148,680.14 and 64,727.44

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Solution

The fourth proportional to 107,734.80, 148,680.14 and 64,727.44 is: 89,327.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,734.80 : 148,680.14 = 64,727.44 : x
  2. Step 2: Convert to fraction form
    107,734.80/148,680.14 = 64,727.44/x
  3. Step 3: Cross multiply
    107,734.80x = 148,680.14 × 64,727.44
  4. Step 4: Simplify right side
    107,734.80x = 9,623,684,841.04
  5. Step 5: Solve for x
    x = 9,623,684,841.04/107,734.80
  6. Step 6: Final answer
    x = 89,327.54

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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.