Home / 76,083.44-114,164.95-31,138.16

Finding the Fourth Proportional to 76,083.44, 114,164.95 and 31,138.16

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Solution

The fourth proportional to 76,083.44, 114,164.95 and 31,138.16 is: 46,723.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,083.44 : 114,164.95 = 31,138.16 : x
  2. Step 2: Convert to fraction form
    76,083.44/114,164.95 = 31,138.16/x
  3. Step 3: Cross multiply
    76,083.44x = 114,164.95 × 31,138.16
  4. Step 4: Simplify right side
    76,083.44x = 3,554,885,752.98
  5. Step 5: Solve for x
    x = 3,554,885,752.98/76,083.44
  6. Step 6: Final answer
    x = 46,723.52

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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.