Home / 57,987.41-86,994.72-18,004.34

Finding the Fourth Proportional to 57,987.41, 86,994.72 and 18,004.34

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Solution

The fourth proportional to 57,987.41, 86,994.72 and 18,004.34 is: 27,010.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,987.41 : 86,994.72 = 18,004.34 : x
  2. Step 2: Convert to fraction form
    57,987.41/86,994.72 = 18,004.34/x
  3. Step 3: Cross multiply
    57,987.41x = 86,994.72 × 18,004.34
  4. Step 4: Simplify right side
    57,987.41x = 1,566,282,082.11
  5. Step 5: Solve for x
    x = 1,566,282,082.11/57,987.41
  6. Step 6: Final answer
    x = 27,010.73

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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.