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Finding the Fourth Proportional to 75,062.34, 112,529.93 and 32,910.48

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Solution

The fourth proportional to 75,062.34, 112,529.93 and 32,910.48 is: 49,337.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,062.34 : 112,529.93 = 32,910.48 : x
  2. Step 2: Convert to fraction form
    75,062.34/112,529.93 = 32,910.48/x
  3. Step 3: Cross multiply
    75,062.34x = 112,529.93 × 32,910.48
  4. Step 4: Simplify right side
    75,062.34x = 3,703,413,846.11
  5. Step 5: Solve for x
    x = 3,703,413,846.11/75,062.34
  6. Step 6: Final answer
    x = 49,337.84

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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.