Home / 75,229.56-112,845.96-35,790.66

Finding the Fourth Proportional to 75,229.56, 112,845.96 and 35,790.66

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Solution

The fourth proportional to 75,229.56, 112,845.96 and 35,790.66 is: 53,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,229.56 : 112,845.96 = 35,790.66 : x
  2. Step 2: Convert to fraction form
    75,229.56/112,845.96 = 35,790.66/x
  3. Step 3: Cross multiply
    75,229.56x = 112,845.96 × 35,790.66
  4. Step 4: Simplify right side
    75,229.56x = 4,038,831,386.73
  5. Step 5: Solve for x
    x = 4,038,831,386.73/75,229.56
  6. Step 6: Final answer
    x = 53,686.76

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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.