Home / 99,178.26-136,859.49-58,889.94

Finding the Fourth Proportional to 99,178.26, 136,859.49 and 58,889.94

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Solution

The fourth proportional to 99,178.26, 136,859.49 and 58,889.94 is: 81,264.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,178.26 : 136,859.49 = 58,889.94 : x
  2. Step 2: Convert to fraction form
    99,178.26/136,859.49 = 58,889.94/x
  3. Step 3: Cross multiply
    99,178.26x = 136,859.49 × 58,889.94
  4. Step 4: Simplify right side
    99,178.26x = 8,059,647,154.53
  5. Step 5: Solve for x
    x = 8,059,647,154.53/99,178.26
  6. Step 6: Final answer
    x = 81,264.25

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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.