Home / 60,758.08-91,137.14-20,777.36

Finding the Fourth Proportional to 60,758.08, 91,137.14 and 20,777.36

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Solution

The fourth proportional to 60,758.08, 91,137.14 and 20,777.36 is: 31,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,758.08 : 91,137.14 = 20,777.36 : x
  2. Step 2: Convert to fraction form
    60,758.08/91,137.14 = 20,777.36/x
  3. Step 3: Cross multiply
    60,758.08x = 91,137.14 × 20,777.36
  4. Step 4: Simplify right side
    60,758.08x = 1,893,589,167.15
  5. Step 5: Solve for x
    x = 1,893,589,167.15/60,758.08
  6. Step 6: Final answer
    x = 31,166.05

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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.