Home / 76,460.84-114,707.21-38,531.44

Finding the Fourth Proportional to 76,460.84, 114,707.21 and 38,531.44

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Solution

The fourth proportional to 76,460.84, 114,707.21 and 38,531.44 is: 57,805.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,460.84 : 114,707.21 = 38,531.44 : x
  2. Step 2: Convert to fraction form
    76,460.84/114,707.21 = 38,531.44/x
  3. Step 3: Cross multiply
    76,460.84x = 114,707.21 × 38,531.44
  4. Step 4: Simplify right side
    76,460.84x = 4,419,833,979.68
  5. Step 5: Solve for x
    x = 4,419,833,979.68/76,460.84
  6. Step 6: Final answer
    x = 57,805.20

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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.