Home / 92,613.22-139,104.45-87,390.94

Finding the Fourth Proportional to 92,613.22, 139,104.45 and 87,390.94

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Solution

The fourth proportional to 92,613.22, 139,104.45 and 87,390.94 is: 131,260.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,613.22 : 139,104.45 = 87,390.94 : x
  2. Step 2: Convert to fraction form
    92,613.22/139,104.45 = 87,390.94/x
  3. Step 3: Cross multiply
    92,613.22x = 139,104.45 × 87,390.94
  4. Step 4: Simplify right side
    92,613.22x = 12,156,468,643.68
  5. Step 5: Solve for x
    x = 12,156,468,643.68/92,613.22
  6. Step 6: Final answer
    x = 131,260.62

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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.