Home / 77,712.93-116,552.25-27,796.50

Finding the Fourth Proportional to 77,712.93, 116,552.25 and 27,796.50

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Solution

The fourth proportional to 77,712.93, 116,552.25 and 27,796.50 is: 41,688.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,712.93 : 116,552.25 = 27,796.50 : x
  2. Step 2: Convert to fraction form
    77,712.93/116,552.25 = 27,796.50/x
  3. Step 3: Cross multiply
    77,712.93x = 116,552.25 × 27,796.50
  4. Step 4: Simplify right side
    77,712.93x = 3,239,744,617.13
  5. Step 5: Solve for x
    x = 3,239,744,617.13/77,712.93
  6. Step 6: Final answer
    x = 41,688.62

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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.