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Finding the Fourth Proportional to 75,267.63, 103,868.53 and 41,276.01

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Solution

The fourth proportional to 75,267.63, 103,868.53 and 41,276.01 is: 56,960.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,267.63 : 103,868.53 = 41,276.01 : x
  2. Step 2: Convert to fraction form
    75,267.63/103,868.53 = 41,276.01/x
  3. Step 3: Cross multiply
    75,267.63x = 103,868.53 × 41,276.01
  4. Step 4: Simplify right side
    75,267.63x = 4,287,278,769.28
  5. Step 5: Solve for x
    x = 4,287,278,769.28/75,267.63
  6. Step 6: Final answer
    x = 56,960.46

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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.