Home / 79,896.04-119,236.44-71,038.96

Finding the Fourth Proportional to 79,896.04, 119,236.44 and 71,038.96

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Solution

The fourth proportional to 79,896.04, 119,236.44 and 71,038.96 is: 106,018.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,896.04 : 119,236.44 = 71,038.96 : x
  2. Step 2: Convert to fraction form
    79,896.04/119,236.44 = 71,038.96/x
  3. Step 3: Cross multiply
    79,896.04x = 119,236.44 × 71,038.96
  4. Step 4: Simplify right side
    79,896.04x = 8,470,432,691.70
  5. Step 5: Solve for x
    x = 8,470,432,691.70/79,896.04
  6. Step 6: Final answer
    x = 106,018.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.