Home / 75,381.19-113,073.32-31,002.18

Finding the Fourth Proportional to 75,381.19, 113,073.32 and 31,002.18

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Solution

The fourth proportional to 75,381.19, 113,073.32 and 31,002.18 is: 46,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,381.19 : 113,073.32 = 31,002.18 : x
  2. Step 2: Convert to fraction form
    75,381.19/113,073.32 = 31,002.18/x
  3. Step 3: Cross multiply
    75,381.19x = 113,073.32 × 31,002.18
  4. Step 4: Simplify right side
    75,381.19x = 3,505,519,214.66
  5. Step 5: Solve for x
    x = 3,505,519,214.66/75,381.19
  6. Step 6: Final answer
    x = 46,503.90

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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.