Home / 75,635.17-113,491.03-31,293.75

Finding the Fourth Proportional to 75,635.17, 113,491.03 and 31,293.75

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Solution

The fourth proportional to 75,635.17, 113,491.03 and 31,293.75 is: 46,956.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,635.17 : 113,491.03 = 31,293.75 : x
  2. Step 2: Convert to fraction form
    75,635.17/113,491.03 = 31,293.75/x
  3. Step 3: Cross multiply
    75,635.17x = 113,491.03 × 31,293.75
  4. Step 4: Simplify right side
    75,635.17x = 3,551,559,920.06
  5. Step 5: Solve for x
    x = 3,551,559,920.06/75,635.17
  6. Step 6: Final answer
    x = 46,956.46

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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.