Home / 76,349.79-114,491.16-31,340.25

Finding the Fourth Proportional to 76,349.79, 114,491.16 and 31,340.25

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Solution

The fourth proportional to 76,349.79, 114,491.16 and 31,340.25 is: 46,996.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,349.79 : 114,491.16 = 31,340.25 : x
  2. Step 2: Convert to fraction form
    76,349.79/114,491.16 = 31,340.25/x
  3. Step 3: Cross multiply
    76,349.79x = 114,491.16 × 31,340.25
  4. Step 4: Simplify right side
    76,349.79x = 3,588,181,577.19
  5. Step 5: Solve for x
    x = 3,588,181,577.19/76,349.79
  6. Step 6: Final answer
    x = 46,996.61

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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.