Home / 75,359.40-113,052.06-31,010.28

Finding the Fourth Proportional to 75,359.40, 113,052.06 and 31,010.28

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Solution

The fourth proportional to 75,359.40, 113,052.06 and 31,010.28 is: 46,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,359.40 : 113,052.06 = 31,010.28 : x
  2. Step 2: Convert to fraction form
    75,359.40/113,052.06 = 31,010.28/x
  3. Step 3: Cross multiply
    75,359.40x = 113,052.06 × 31,010.28
  4. Step 4: Simplify right side
    75,359.40x = 3,505,776,035.18
  5. Step 5: Solve for x
    x = 3,505,776,035.18/75,359.40
  6. Step 6: Final answer
    x = 46,520.75

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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.