Home / 76,273.11-114,426.18-31,294.58

Finding the Fourth Proportional to 76,273.11, 114,426.18 and 31,294.58

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Solution

The fourth proportional to 76,273.11, 114,426.18 and 31,294.58 is: 46,948.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,273.11 : 114,426.18 = 31,294.58 : x
  2. Step 2: Convert to fraction form
    76,273.11/114,426.18 = 31,294.58/x
  3. Step 3: Cross multiply
    76,273.11x = 114,426.18 × 31,294.58
  4. Step 4: Simplify right side
    76,273.11x = 3,580,918,671.97
  5. Step 5: Solve for x
    x = 3,580,918,671.97/76,273.11
  6. Step 6: Final answer
    x = 46,948.64

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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.