Home / 96,578.98-133,278.57-54,137.51

Finding the Fourth Proportional to 96,578.98, 133,278.57 and 54,137.51

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Solution

The fourth proportional to 96,578.98, 133,278.57 and 54,137.51 is: 74,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,578.98 : 133,278.57 = 54,137.51 : x
  2. Step 2: Convert to fraction form
    96,578.98/133,278.57 = 54,137.51/x
  3. Step 3: Cross multiply
    96,578.98x = 133,278.57 × 54,137.51
  4. Step 4: Simplify right side
    96,578.98x = 7,215,369,916.16
  5. Step 5: Solve for x
    x = 7,215,369,916.16/96,578.98
  6. Step 6: Final answer
    x = 74,709.53

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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.