Home / 65,439.66-90,296.16-36,757.95

Finding the Fourth Proportional to 65,439.66, 90,296.16 and 36,757.95

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Solution

The fourth proportional to 65,439.66, 90,296.16 and 36,757.95 is: 50,720.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,439.66 : 90,296.16 = 36,757.95 : x
  2. Step 2: Convert to fraction form
    65,439.66/90,296.16 = 36,757.95/x
  3. Step 3: Cross multiply
    65,439.66x = 90,296.16 × 36,757.95
  4. Step 4: Simplify right side
    65,439.66x = 3,319,101,734.47
  5. Step 5: Solve for x
    x = 3,319,101,734.47/65,439.66
  6. Step 6: Final answer
    x = 50,720.03

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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.