Home / 99,936.98-149,862.80-57,846.12

Finding the Fourth Proportional to 99,936.98, 149,862.80 and 57,846.12

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Solution

The fourth proportional to 99,936.98, 149,862.80 and 57,846.12 is: 86,744.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,936.98 : 149,862.80 = 57,846.12 : x
  2. Step 2: Convert to fraction form
    99,936.98/149,862.80 = 57,846.12/x
  3. Step 3: Cross multiply
    99,936.98x = 149,862.80 × 57,846.12
  4. Step 4: Simplify right side
    99,936.98x = 8,668,981,368.33
  5. Step 5: Solve for x
    x = 8,668,981,368.33/99,936.98
  6. Step 6: Final answer
    x = 86,744.48

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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.