Home / 57,577.16-86,374.04-18,137.45

Finding the Fourth Proportional to 57,577.16, 86,374.04 and 18,137.45

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Solution

The fourth proportional to 57,577.16, 86,374.04 and 18,137.45 is: 27,208.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,577.16 : 86,374.04 = 18,137.45 : x
  2. Step 2: Convert to fraction form
    57,577.16/86,374.04 = 18,137.45/x
  3. Step 3: Cross multiply
    57,577.16x = 86,374.04 × 18,137.45
  4. Step 4: Simplify right side
    57,577.16x = 1,566,604,309.24
  5. Step 5: Solve for x
    x = 1,566,604,309.24/57,577.16
  6. Step 6: Final answer
    x = 27,208.78

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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.