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Finding the Fourth Proportional to 75,096.49, 112,520.34 and 52,800.94

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Solution

The fourth proportional to 75,096.49, 112,520.34 and 52,800.94 is: 79,113.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,096.49 : 112,520.34 = 52,800.94 : x
  2. Step 2: Convert to fraction form
    75,096.49/112,520.34 = 52,800.94/x
  3. Step 3: Cross multiply
    75,096.49x = 112,520.34 × 52,800.94
  4. Step 4: Simplify right side
    75,096.49x = 5,941,179,721.12
  5. Step 5: Solve for x
    x = 5,941,179,721.12/75,096.49
  6. Step 6: Final answer
    x = 79,113.95

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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.