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Finding the Fourth Proportional to 73,659.47, 101,652.99 and 41,831.33

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Solution

The fourth proportional to 73,659.47, 101,652.99 and 41,831.33 is: 57,728.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,659.47 : 101,652.99 = 41,831.33 : x
  2. Step 2: Convert to fraction form
    73,659.47/101,652.99 = 41,831.33/x
  3. Step 3: Cross multiply
    73,659.47x = 101,652.99 × 41,831.33
  4. Step 4: Simplify right side
    73,659.47x = 4,252,279,261.91
  5. Step 5: Solve for x
    x = 4,252,279,261.91/73,659.47
  6. Step 6: Final answer
    x = 57,728.89

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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.