Home / 69,991.05-96,560.08-43,086.81

Finding the Fourth Proportional to 69,991.05, 96,560.08 and 43,086.81

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Solution

The fourth proportional to 69,991.05, 96,560.08 and 43,086.81 is: 59,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,991.05 : 96,560.08 = 43,086.81 : x
  2. Step 2: Convert to fraction form
    69,991.05/96,560.08 = 43,086.81/x
  3. Step 3: Cross multiply
    69,991.05x = 96,560.08 × 43,086.81
  4. Step 4: Simplify right side
    69,991.05x = 4,160,465,712.83
  5. Step 5: Solve for x
    x = 4,160,465,712.83/69,991.05
  6. Step 6: Final answer
    x = 59,442.82

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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.