Home / 65,876.96-98,621.64-40,836.62

Finding the Fourth Proportional to 65,876.96, 98,621.64 and 40,836.62

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Solution

The fourth proportional to 65,876.96, 98,621.64 and 40,836.62 is: 61,134.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,876.96 : 98,621.64 = 40,836.62 : x
  2. Step 2: Convert to fraction form
    65,876.96/98,621.64 = 40,836.62/x
  3. Step 3: Cross multiply
    65,876.96x = 98,621.64 × 40,836.62
  4. Step 4: Simplify right side
    65,876.96x = 4,027,373,943.35
  5. Step 5: Solve for x
    x = 4,027,373,943.35/65,876.96
  6. Step 6: Final answer
    x = 61,134.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.