Home / 75,277.45-103,916.22-52,705.18

Finding the Fourth Proportional to 75,277.45, 103,916.22 and 52,705.18

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Solution

The fourth proportional to 75,277.45, 103,916.22 and 52,705.18 is: 72,756.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,277.45 : 103,916.22 = 52,705.18 : x
  2. Step 2: Convert to fraction form
    75,277.45/103,916.22 = 52,705.18/x
  3. Step 3: Cross multiply
    75,277.45x = 103,916.22 × 52,705.18
  4. Step 4: Simplify right side
    75,277.45x = 5,476,923,012.27
  5. Step 5: Solve for x
    x = 5,476,923,012.27/75,277.45
  6. Step 6: Final answer
    x = 72,756.49

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Why These Related Problems?

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