Home / 80,864.70-111,579.99-45,046.62

Finding the Fourth Proportional to 80,864.70, 111,579.99 and 45,046.62

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Solution

The fourth proportional to 80,864.70, 111,579.99 and 45,046.62 is: 62,156.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,864.70 : 111,579.99 = 45,046.62 : x
  2. Step 2: Convert to fraction form
    80,864.70/111,579.99 = 45,046.62/x
  3. Step 3: Cross multiply
    80,864.70x = 111,579.99 × 45,046.62
  4. Step 4: Simplify right side
    80,864.70x = 5,026,301,409.13
  5. Step 5: Solve for x
    x = 5,026,301,409.13/80,864.70
  6. Step 6: Final answer
    x = 62,156.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.