Home / 79,670.70-119,511.45-27,084.15

Finding the Fourth Proportional to 79,670.70, 119,511.45 and 27,084.15

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Solution

The fourth proportional to 79,670.70, 119,511.45 and 27,084.15 is: 40,628.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,670.70 : 119,511.45 = 27,084.15 : x
  2. Step 2: Convert to fraction form
    79,670.70/119,511.45 = 27,084.15/x
  3. Step 3: Cross multiply
    79,670.70x = 119,511.45 × 27,084.15
  4. Step 4: Simplify right side
    79,670.70x = 3,236,866,038.52
  5. Step 5: Solve for x
    x = 3,236,866,038.52/79,670.70
  6. Step 6: Final answer
    x = 40,628.06

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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.