Home / 99,149.57-136,826.51-58,871.37

Finding the Fourth Proportional to 99,149.57, 136,826.51 and 58,871.37

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Solution

The fourth proportional to 99,149.57, 136,826.51 and 58,871.37 is: 81,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,149.57 : 136,826.51 = 58,871.37 : x
  2. Step 2: Convert to fraction form
    99,149.57/136,826.51 = 58,871.37/x
  3. Step 3: Cross multiply
    99,149.57x = 136,826.51 × 58,871.37
  4. Step 4: Simplify right side
    99,149.57x = 8,055,163,801.66
  5. Step 5: Solve for x
    x = 8,055,163,801.66/99,149.57
  6. Step 6: Final answer
    x = 81,242.55

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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.