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Finding the Fourth Proportional to 75,322.72, 103,941.88 and 41,330.37

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Solution

The fourth proportional to 75,322.72, 103,941.88 and 41,330.37 is: 57,034.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,322.72 : 103,941.88 = 41,330.37 : x
  2. Step 2: Convert to fraction form
    75,322.72/103,941.88 = 41,330.37/x
  3. Step 3: Cross multiply
    75,322.72x = 103,941.88 × 41,330.37
  4. Step 4: Simplify right side
    75,322.72x = 4,295,956,358.90
  5. Step 5: Solve for x
    x = 4,295,956,358.90/75,322.72
  6. Step 6: Final answer
    x = 57,034.00

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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.