Home / 55,986.87-83,979.78-22,699.02

Finding the Fourth Proportional to 55,986.87, 83,979.78 and 22,699.02

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Solution

The fourth proportional to 55,986.87, 83,979.78 and 22,699.02 is: 34,048.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,986.87 : 83,979.78 = 22,699.02 : x
  2. Step 2: Convert to fraction form
    55,986.87/83,979.78 = 22,699.02/x
  3. Step 3: Cross multiply
    55,986.87x = 83,979.78 × 22,699.02
  4. Step 4: Simplify right side
    55,986.87x = 1,906,258,172.42
  5. Step 5: Solve for x
    x = 1,906,258,172.42/55,986.87
  6. Step 6: Final answer
    x = 34,048.31

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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.