Home / 99,238.88-136,948.90-53,917.23

Finding the Fourth Proportional to 99,238.88, 136,948.90 and 53,917.23

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Solution

The fourth proportional to 99,238.88, 136,948.90 and 53,917.23 is: 74,405.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,238.88 : 136,948.90 = 53,917.23 : x
  2. Step 2: Convert to fraction form
    99,238.88/136,948.90 = 53,917.23/x
  3. Step 3: Cross multiply
    99,238.88x = 136,948.90 × 53,917.23
  4. Step 4: Simplify right side
    99,238.88x = 7,383,905,204.75
  5. Step 5: Solve for x
    x = 7,383,905,204.75/99,238.88
  6. Step 6: Final answer
    x = 74,405.37

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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.