Home / 76,073.76-114,066.27-31,647.27

Finding the Fourth Proportional to 76,073.76, 114,066.27 and 31,647.27

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Solution

The fourth proportional to 76,073.76, 114,066.27 and 31,647.27 is: 47,452.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,073.76 : 114,066.27 = 31,647.27 : x
  2. Step 2: Convert to fraction form
    76,073.76/114,066.27 = 31,647.27/x
  3. Step 3: Cross multiply
    76,073.76x = 114,066.27 × 31,647.27
  4. Step 4: Simplify right side
    76,073.76x = 3,609,886,044.58
  5. Step 5: Solve for x
    x = 3,609,886,044.58/76,073.76
  6. Step 6: Final answer
    x = 47,452.45

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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.