Home / 99,149.57-136,826.63-53,827.66

Finding the Fourth Proportional to 99,149.57, 136,826.63 and 53,827.66

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Solution

The fourth proportional to 99,149.57, 136,826.63 and 53,827.66 is: 74,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,149.57 : 136,826.63 = 53,827.66 : x
  2. Step 2: Convert to fraction form
    99,149.57/136,826.63 = 53,827.66/x
  3. Step 3: Cross multiply
    99,149.57x = 136,826.63 × 53,827.66
  4. Step 4: Simplify right side
    99,149.57x = 7,365,057,422.33
  5. Step 5: Solve for x
    x = 7,365,057,422.33/99,149.57
  6. Step 6: Final answer
    x = 74,282.29

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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.