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Finding the Fourth Proportional to 75,452.76, 104,134.01 and 43,199.37

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Solution

The fourth proportional to 75,452.76, 104,134.01 and 43,199.37 is: 59,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,452.76 : 104,134.01 = 43,199.37 : x
  2. Step 2: Convert to fraction form
    75,452.76/104,134.01 = 43,199.37/x
  3. Step 3: Cross multiply
    75,452.76x = 104,134.01 × 43,199.37
  4. Step 4: Simplify right side
    75,452.76x = 4,498,523,411.58
  5. Step 5: Solve for x
    x = 4,498,523,411.58/75,452.76
  6. Step 6: Final answer
    x = 59,620.40

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1.5x scale

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.