Home / 65,861.27-90,887.76-35,645.87

Finding the Fourth Proportional to 65,861.27, 90,887.76 and 35,645.87

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Solution

The fourth proportional to 65,861.27, 90,887.76 and 35,645.87 is: 49,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,861.27 : 90,887.76 = 35,645.87 : x
  2. Step 2: Convert to fraction form
    65,861.27/90,887.76 = 35,645.87/x
  3. Step 3: Cross multiply
    65,861.27x = 90,887.76 × 35,645.87
  4. Step 4: Simplify right side
    65,861.27x = 3,239,772,823.11
  5. Step 5: Solve for x
    x = 3,239,772,823.11/65,861.27
  6. Step 6: Final answer
    x = 49,190.87

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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.