Home / 75,278.45-103,917.60-52,706.18

Finding the Fourth Proportional to 75,278.45, 103,917.60 and 52,706.18

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Solution

The fourth proportional to 75,278.45, 103,917.60 and 52,706.18 is: 72,757.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,278.45 : 103,917.60 = 52,706.18 : x
  2. Step 2: Convert to fraction form
    75,278.45/103,917.60 = 52,706.18/x
  3. Step 3: Cross multiply
    75,278.45x = 103,917.60 × 52,706.18
  4. Step 4: Simplify right side
    75,278.45x = 5,477,099,730.77
  5. Step 5: Solve for x
    x = 5,477,099,730.77/75,278.45
  6. Step 6: Final answer
    x = 72,757.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.