Home / 77,909.56-116,772.05-35,754.12

Finding the Fourth Proportional to 77,909.56, 116,772.05 and 35,754.12

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Solution

The fourth proportional to 77,909.56, 116,772.05 and 35,754.12 is: 53,588.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,909.56 : 116,772.05 = 35,754.12 : x
  2. Step 2: Convert to fraction form
    77,909.56/116,772.05 = 35,754.12/x
  3. Step 3: Cross multiply
    77,909.56x = 116,772.05 × 35,754.12
  4. Step 4: Simplify right side
    77,909.56x = 4,175,081,709.58
  5. Step 5: Solve for x
    x = 4,175,081,709.58/77,909.56
  6. Step 6: Final answer
    x = 53,588.83

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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.