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Finding the Fourth Proportional to 73,024.92, 109,741.86 and 43,447.32

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Solution

The fourth proportional to 73,024.92, 109,741.86 and 43,447.32 is: 65,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,024.92 : 109,741.86 = 43,447.32 : x
  2. Step 2: Convert to fraction form
    73,024.92/109,741.86 = 43,447.32/x
  3. Step 3: Cross multiply
    73,024.92x = 109,741.86 × 43,447.32
  4. Step 4: Simplify right side
    73,024.92x = 4,767,989,708.82
  5. Step 5: Solve for x
    x = 4,767,989,708.82/73,024.92
  6. Step 6: Final answer
    x = 65,292.64

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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.