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Finding the Fourth Proportional to 73,362.61, 101,240.81 and 43,149.21

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Solution

The fourth proportional to 73,362.61, 101,240.81 and 43,149.21 is: 59,546.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,362.61 : 101,240.81 = 43,149.21 : x
  2. Step 2: Convert to fraction form
    73,362.61/101,240.81 = 43,149.21/x
  3. Step 3: Cross multiply
    73,362.61x = 101,240.81 × 43,149.21
  4. Step 4: Simplify right side
    73,362.61x = 4,368,460,971.26
  5. Step 5: Solve for x
    x = 4,368,460,971.26/73,362.61
  6. Step 6: Final answer
    x = 59,546.15

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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.