Home / 55,987-83,979.98-22,699.15

Finding the Fourth Proportional to 55,987, 83,979.98 and 22,699.15

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Solution

The fourth proportional to 55,987, 83,979.98 and 22,699.15 is: 34,048.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,987 : 83,979.98 = 22,699.15 : x
  2. Step 2: Convert to fraction form
    55,987/83,979.98 = 22,699.15/x
  3. Step 3: Cross multiply
    55,987x = 83,979.98 × 22,699.15
  4. Step 4: Simplify right side
    55,987x = 1,906,274,163.02
  5. Step 5: Solve for x
    x = 1,906,274,163.02/55,987
  6. Step 6: Final answer
    x = 34,048.51

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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.