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Finding the Fourth Proportional to 75,093.39, 112,662.54 and 43,496.10

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Solution

The fourth proportional to 75,093.39, 112,662.54 and 43,496.10 is: 65,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,093.39 : 112,662.54 = 43,496.10 : x
  2. Step 2: Convert to fraction form
    75,093.39/112,662.54 = 43,496.10/x
  3. Step 3: Cross multiply
    75,093.39x = 112,662.54 × 43,496.10
  4. Step 4: Simplify right side
    75,093.39x = 4,900,381,106.09
  5. Step 5: Solve for x
    x = 4,900,381,106.09/75,093.39
  6. Step 6: Final answer
    x = 65,257.16

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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.