Home / 69,983.79-96,578.29-38,153.32

Finding the Fourth Proportional to 69,983.79, 96,578.29 and 38,153.32

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Solution

The fourth proportional to 69,983.79, 96,578.29 and 38,153.32 is: 52,651.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,983.79 : 96,578.29 = 38,153.32 : x
  2. Step 2: Convert to fraction form
    69,983.79/96,578.29 = 38,153.32/x
  3. Step 3: Cross multiply
    69,983.79x = 96,578.29 × 38,153.32
  4. Step 4: Simplify right side
    69,983.79x = 3,684,782,403.42
  5. Step 5: Solve for x
    x = 3,684,782,403.42/69,983.79
  6. Step 6: Final answer
    x = 52,651.94

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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.