Home / 76,443.53-114,578.78-38,924.34

Finding the Fourth Proportional to 76,443.53, 114,578.78 and 38,924.34

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Solution

The fourth proportional to 76,443.53, 114,578.78 and 38,924.34 is: 58,342.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,443.53 : 114,578.78 = 38,924.34 : x
  2. Step 2: Convert to fraction form
    76,443.53/114,578.78 = 38,924.34/x
  3. Step 3: Cross multiply
    76,443.53x = 114,578.78 × 38,924.34
  4. Step 4: Simplify right side
    76,443.53x = 4,459,903,194.88
  5. Step 5: Solve for x
    x = 4,459,903,194.88/76,443.53
  6. Step 6: Final answer
    x = 58,342.46

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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.