Home / 75,850.17-113,826.05-31,476.98

Finding the Fourth Proportional to 75,850.17, 113,826.05 and 31,476.98

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Solution

The fourth proportional to 75,850.17, 113,826.05 and 31,476.98 is: 47,236.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,850.17 : 113,826.05 = 31,476.98 : x
  2. Step 2: Convert to fraction form
    75,850.17/113,826.05 = 31,476.98/x
  3. Step 3: Cross multiply
    75,850.17x = 113,826.05 × 31,476.98
  4. Step 4: Simplify right side
    75,850.17x = 3,582,899,572.81
  5. Step 5: Solve for x
    x = 3,582,899,572.81/75,850.17
  6. Step 6: Final answer
    x = 47,236.54

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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.