Home / 79,935.28-119,840.82-51,795.88

Finding the Fourth Proportional to 79,935.28, 119,840.82 and 51,795.88

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Solution

The fourth proportional to 79,935.28, 119,840.82 and 51,795.88 is: 77,653.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,935.28 : 119,840.82 = 51,795.88 : x
  2. Step 2: Convert to fraction form
    79,935.28/119,840.82 = 51,795.88/x
  3. Step 3: Cross multiply
    79,935.28x = 119,840.82 × 51,795.88
  4. Step 4: Simplify right side
    79,935.28x = 6,207,260,731.82
  5. Step 5: Solve for x
    x = 6,207,260,731.82/79,935.28
  6. Step 6: Final answer
    x = 77,653.58

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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.