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Finding the Fourth Proportional to 73,601.13, 101,582.81 and 43,384.66

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Solution

The fourth proportional to 73,601.13, 101,582.81 and 43,384.66 is: 59,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,601.13 : 101,582.81 = 43,384.66 : x
  2. Step 2: Convert to fraction form
    73,601.13/101,582.81 = 43,384.66/x
  3. Step 3: Cross multiply
    73,601.13x = 101,582.81 × 43,384.66
  4. Step 4: Simplify right side
    73,601.13x = 4,407,135,673.69
  5. Step 5: Solve for x
    x = 4,407,135,673.69/73,601.13
  6. Step 6: Final answer
    x = 59,878.64

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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.