Home / 65,293.29-90,155.57-50,161.95

Finding the Fourth Proportional to 65,293.29, 90,155.57 and 50,161.95

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Solution

The fourth proportional to 65,293.29, 90,155.57 and 50,161.95 is: 69,262.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,293.29 : 90,155.57 = 50,161.95 : x
  2. Step 2: Convert to fraction form
    65,293.29/90,155.57 = 50,161.95/x
  3. Step 3: Cross multiply
    65,293.29x = 90,155.57 × 50,161.95
  4. Step 4: Simplify right side
    65,293.29x = 4,522,378,943.75
  5. Step 5: Solve for x
    x = 4,522,378,943.75/65,293.29
  6. Step 6: Final answer
    x = 69,262.54

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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.