Home / 79,891.46-119,828.34-28,598.09

Finding the Fourth Proportional to 79,891.46, 119,828.34 and 28,598.09

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Solution

The fourth proportional to 79,891.46, 119,828.34 and 28,598.09 is: 42,893.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,891.46 : 119,828.34 = 28,598.09 : x
  2. Step 2: Convert to fraction form
    79,891.46/119,828.34 = 28,598.09/x
  3. Step 3: Cross multiply
    79,891.46x = 119,828.34 × 28,598.09
  4. Step 4: Simplify right side
    79,891.46x = 3,426,862,248.58
  5. Step 5: Solve for x
    x = 3,426,862,248.58/79,891.46
  6. Step 6: Final answer
    x = 42,893.97

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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.