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Finding the Fourth Proportional to 75,093.66, 112,660.02 and 28,346.94

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Solution

The fourth proportional to 75,093.66, 112,660.02 and 28,346.94 is: 42,527.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,093.66 : 112,660.02 = 28,346.94 : x
  2. Step 2: Convert to fraction form
    75,093.66/112,660.02 = 28,346.94/x
  3. Step 3: Cross multiply
    75,093.66x = 112,660.02 × 28,346.94
  4. Step 4: Simplify right side
    75,093.66x = 3,193,566,827.34
  5. Step 5: Solve for x
    x = 3,193,566,827.34/75,093.66
  6. Step 6: Final answer
    x = 42,527.78

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1.5x scale

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.