Home / 99,144.76-136,855.20-58,858.44

Finding the Fourth Proportional to 99,144.76, 136,855.20 and 58,858.44

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Solution

The fourth proportional to 99,144.76, 136,855.20 and 58,858.44 is: 81,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,144.76 : 136,855.20 = 58,858.44 : x
  2. Step 2: Convert to fraction form
    99,144.76/136,855.20 = 58,858.44/x
  3. Step 3: Cross multiply
    99,144.76x = 136,855.20 × 58,858.44
  4. Step 4: Simplify right side
    99,144.76x = 8,055,083,577.89
  5. Step 5: Solve for x
    x = 8,055,083,577.89/99,144.76
  6. Step 6: Final answer
    x = 81,245.68

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1.5x scale

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.