Home / 99,942.98-149,871.78-57,852.10

Finding the Fourth Proportional to 99,942.98, 149,871.78 and 57,852.10

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Solution

The fourth proportional to 99,942.98, 149,871.78 and 57,852.10 is: 86,753.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,942.98 : 149,871.78 = 57,852.10 : x
  2. Step 2: Convert to fraction form
    99,942.98/149,871.78 = 57,852.10/x
  3. Step 3: Cross multiply
    99,942.98x = 149,871.78 × 57,852.10
  4. Step 4: Simplify right side
    99,942.98x = 8,670,397,203.74
  5. Step 5: Solve for x
    x = 8,670,397,203.74/99,942.98
  6. Step 6: Final answer
    x = 86,753.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.