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Finding the Fourth Proportional to 73,269.81, 109,903.51 and 23,349.22

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Solution

The fourth proportional to 73,269.81, 109,903.51 and 23,349.22 is: 35,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,269.81 : 109,903.51 = 23,349.22 : x
  2. Step 2: Convert to fraction form
    73,269.81/109,903.51 = 23,349.22/x
  3. Step 3: Cross multiply
    73,269.81x = 109,903.51 × 23,349.22
  4. Step 4: Simplify right side
    73,269.81x = 2,566,161,233.76
  5. Step 5: Solve for x
    x = 2,566,161,233.76/73,269.81
  6. Step 6: Final answer
    x = 35,023.45

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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.