Home / 65,749.65-90,663.17-41,845.74

Finding the Fourth Proportional to 65,749.65, 90,663.17 and 41,845.74

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Solution

The fourth proportional to 65,749.65, 90,663.17 and 41,845.74 is: 57,701.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,749.65 : 90,663.17 = 41,845.74 : x
  2. Step 2: Convert to fraction form
    65,749.65/90,663.17 = 41,845.74/x
  3. Step 3: Cross multiply
    65,749.65x = 90,663.17 × 41,845.74
  4. Step 4: Simplify right side
    65,749.65x = 3,793,867,230.17
  5. Step 5: Solve for x
    x = 3,793,867,230.17/65,749.65
  6. Step 6: Final answer
    x = 57,701.71

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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.