Home / 99,264.70-136,986.62-53,943.38

Finding the Fourth Proportional to 99,264.70, 136,986.62 and 53,943.38

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Solution

The fourth proportional to 99,264.70, 136,986.62 and 53,943.38 is: 74,442.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,264.70 : 136,986.62 = 53,943.38 : x
  2. Step 2: Convert to fraction form
    99,264.70/136,986.62 = 53,943.38/x
  3. Step 3: Cross multiply
    99,264.70x = 136,986.62 × 53,943.38
  4. Step 4: Simplify right side
    99,264.70x = 7,389,521,297.58
  5. Step 5: Solve for x
    x = 7,389,521,297.58/99,264.70
  6. Step 6: Final answer
    x = 74,442.59

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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.