Home / 40,742.43-61,098.64-14,081.68

Finding the Fourth Proportional to 40,742.43, 61,098.64 and 14,081.68

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Solution

The fourth proportional to 40,742.43, 61,098.64 and 14,081.68 is: 21,117.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,742.43 : 61,098.64 = 14,081.68 : x
  2. Step 2: Convert to fraction form
    40,742.43/61,098.64 = 14,081.68/x
  3. Step 3: Cross multiply
    40,742.43x = 61,098.64 × 14,081.68
  4. Step 4: Simplify right side
    40,742.43x = 860,371,496.92
  5. Step 5: Solve for x
    x = 860,371,496.92/40,742.43
  6. Step 6: Final answer
    x = 21,117.33

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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.