Home / 76,023.17-114,032.43-31,648.81

Finding the Fourth Proportional to 76,023.17, 114,032.43 and 31,648.81

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Solution

The fourth proportional to 76,023.17, 114,032.43 and 31,648.81 is: 47,472.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,023.17 : 114,032.43 = 31,648.81 : x
  2. Step 2: Convert to fraction form
    76,023.17/114,032.43 = 31,648.81/x
  3. Step 3: Cross multiply
    76,023.17x = 114,032.43 × 31,648.81
  4. Step 4: Simplify right side
    76,023.17x = 3,608,990,425.83
  5. Step 5: Solve for x
    x = 3,608,990,425.83/76,023.17
  6. Step 6: Final answer
    x = 47,472.24

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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.