Home / 91,072.89-136,616.63-27,898.02

Finding the Fourth Proportional to 91,072.89, 136,616.63 and 27,898.02

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Solution

The fourth proportional to 91,072.89, 136,616.63 and 27,898.02 is: 41,849.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,072.89 : 136,616.63 = 27,898.02 : x
  2. Step 2: Convert to fraction form
    91,072.89/136,616.63 = 27,898.02/x
  3. Step 3: Cross multiply
    91,072.89x = 136,616.63 × 27,898.02
  4. Step 4: Simplify right side
    91,072.89x = 3,811,333,336.58
  5. Step 5: Solve for x
    x = 3,811,333,336.58/91,072.89
  6. Step 6: Final answer
    x = 41,849.26

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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.