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Finding the Fourth Proportional to 60,667.68, 90,964.92 and 23,230.50

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Solution

The fourth proportional to 60,667.68, 90,964.92 and 23,230.50 is: 34,831.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,667.68 : 90,964.92 = 23,230.50 : x
  2. Step 2: Convert to fraction form
    60,667.68/90,964.92 = 23,230.50/x
  3. Step 3: Cross multiply
    60,667.68x = 90,964.92 × 23,230.50
  4. Step 4: Simplify right side
    60,667.68x = 2,113,160,320.06
  5. Step 5: Solve for x
    x = 2,113,160,320.06/60,667.68
  6. Step 6: Final answer
    x = 34,831.73

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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.