Home / 92,685.21-139,028.52-60,691.23

Finding the Fourth Proportional to 92,685.21, 139,028.52 and 60,691.23

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Solution

The fourth proportional to 92,685.21, 139,028.52 and 60,691.23 is: 91,037.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,685.21 : 139,028.52 = 60,691.23 : x
  2. Step 2: Convert to fraction form
    92,685.21/139,028.52 = 60,691.23/x
  3. Step 3: Cross multiply
    92,685.21x = 139,028.52 × 60,691.23
  4. Step 4: Simplify right side
    92,685.21x = 8,437,811,883.88
  5. Step 5: Solve for x
    x = 8,437,811,883.88/92,685.21
  6. Step 6: Final answer
    x = 91,037.31

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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.