Home / 99,191.44-136,883.71-53,869.06

Finding the Fourth Proportional to 99,191.44, 136,883.71 and 53,869.06

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Solution

The fourth proportional to 99,191.44, 136,883.71 and 53,869.06 is: 74,339.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,191.44 : 136,883.71 = 53,869.06 : x
  2. Step 2: Convert to fraction form
    99,191.44/136,883.71 = 53,869.06/x
  3. Step 3: Cross multiply
    99,191.44x = 136,883.71 × 53,869.06
  4. Step 4: Simplify right side
    99,191.44x = 7,373,796,787.01
  5. Step 5: Solve for x
    x = 7,373,796,787.01/99,191.44
  6. Step 6: Final answer
    x = 74,339.04

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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.