Home / 99,147.27-136,823.31-53,825.22

Finding the Fourth Proportional to 99,147.27, 136,823.31 and 53,825.22

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Solution

The fourth proportional to 99,147.27, 136,823.31 and 53,825.22 is: 74,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,147.27 : 136,823.31 = 53,825.22 : x
  2. Step 2: Convert to fraction form
    99,147.27/136,823.31 = 53,825.22/x
  3. Step 3: Cross multiply
    99,147.27x = 136,823.31 × 53,825.22
  4. Step 4: Simplify right side
    99,147.27x = 7,364,544,761.88
  5. Step 5: Solve for x
    x = 7,364,544,761.88/99,147.27
  6. Step 6: Final answer
    x = 74,278.85

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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.