Home / 74,468.10-111,721.95-32,330.10

Finding the Fourth Proportional to 74,468.10, 111,721.95 and 32,330.10

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Solution

The fourth proportional to 74,468.10, 111,721.95 and 32,330.10 is: 48,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,468.10 : 111,721.95 = 32,330.10 : x
  2. Step 2: Convert to fraction form
    74,468.10/111,721.95 = 32,330.10/x
  3. Step 3: Cross multiply
    74,468.10x = 111,721.95 × 32,330.10
  4. Step 4: Simplify right side
    74,468.10x = 3,611,981,815.70
  5. Step 5: Solve for x
    x = 3,611,981,815.70/74,468.10
  6. Step 6: Final answer
    x = 48,503.75

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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.