Home / 58,777.24-81,137.41-39,682.87

Finding the Fourth Proportional to 58,777.24, 81,137.41 and 39,682.87

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Solution

The fourth proportional to 58,777.24, 81,137.41 and 39,682.87 is: 54,779.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,777.24 : 81,137.41 = 39,682.87 : x
  2. Step 2: Convert to fraction form
    58,777.24/81,137.41 = 39,682.87/x
  3. Step 3: Cross multiply
    58,777.24x = 81,137.41 × 39,682.87
  4. Step 4: Simplify right side
    58,777.24x = 3,219,765,290.95
  5. Step 5: Solve for x
    x = 3,219,765,290.95/58,777.24
  6. Step 6: Final answer
    x = 54,779.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.