Home / 92,691.41-139,078.64-42,744.74

Finding the Fourth Proportional to 92,691.41, 139,078.64 and 42,744.74

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Solution

The fourth proportional to 92,691.41, 139,078.64 and 42,744.74 is: 64,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,691.41 : 139,078.64 = 42,744.74 : x
  2. Step 2: Convert to fraction form
    92,691.41/139,078.64 = 42,744.74/x
  3. Step 3: Cross multiply
    92,691.41x = 139,078.64 × 42,744.74
  4. Step 4: Simplify right side
    92,691.41x = 5,944,879,717.82
  5. Step 5: Solve for x
    x = 5,944,879,717.82/92,691.41
  6. Step 6: Final answer
    x = 64,136.26

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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.