Home / 75,788.17-113,761.50-31,441.26

Finding the Fourth Proportional to 75,788.17, 113,761.50 and 31,441.26

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Solution

The fourth proportional to 75,788.17, 113,761.50 and 31,441.26 is: 47,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,788.17 : 113,761.50 = 31,441.26 : x
  2. Step 2: Convert to fraction form
    75,788.17/113,761.50 = 31,441.26/x
  3. Step 3: Cross multiply
    75,788.17x = 113,761.50 × 31,441.26
  4. Step 4: Simplify right side
    75,788.17x = 3,576,804,899.49
  5. Step 5: Solve for x
    x = 3,576,804,899.49/75,788.17
  6. Step 6: Final answer
    x = 47,194.77

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1.5x scale

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.