Home / 102,764.62-153,759.33-60,667.60

Finding the Fourth Proportional to 102,764.62, 153,759.33 and 60,667.60

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Solution

The fourth proportional to 102,764.62, 153,759.33 and 60,667.60 is: 90,772.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,764.62 : 153,759.33 = 60,667.60 : x
  2. Step 2: Convert to fraction form
    102,764.62/153,759.33 = 60,667.60/x
  3. Step 3: Cross multiply
    102,764.62x = 153,759.33 × 60,667.60
  4. Step 4: Simplify right side
    102,764.62x = 9,328,209,528.71
  5. Step 5: Solve for x
    x = 9,328,209,528.71/102,764.62
  6. Step 6: Final answer
    x = 90,772.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.