Home / 65,031.11-89,730.74-41,140.97

Finding the Fourth Proportional to 65,031.11, 89,730.74 and 41,140.97

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Solution

The fourth proportional to 65,031.11, 89,730.74 and 41,140.97 is: 56,766.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,031.11 : 89,730.74 = 41,140.97 : x
  2. Step 2: Convert to fraction form
    65,031.11/89,730.74 = 41,140.97/x
  3. Step 3: Cross multiply
    65,031.11x = 89,730.74 × 41,140.97
  4. Step 4: Simplify right side
    65,031.11x = 3,691,609,028.06
  5. Step 5: Solve for x
    x = 3,691,609,028.06/65,031.11
  6. Step 6: Final answer
    x = 56,766.82

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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.