Home / 57,424.97-86,137.46-17,985.17

Finding the Fourth Proportional to 57,424.97, 86,137.46 and 17,985.17

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Solution

The fourth proportional to 57,424.97, 86,137.46 and 17,985.17 is: 26,977.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,424.97 : 86,137.46 = 17,985.17 : x
  2. Step 2: Convert to fraction form
    57,424.97/86,137.46 = 17,985.17/x
  3. Step 3: Cross multiply
    57,424.97x = 86,137.46 × 17,985.17
  4. Step 4: Simplify right side
    57,424.97x = 1,549,197,054.33
  5. Step 5: Solve for x
    x = 1,549,197,054.33/57,424.97
  6. Step 6: Final answer
    x = 26,977.76

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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.