Home / 68,737.08-94,865.04-38,530.56

Finding the Fourth Proportional to 68,737.08, 94,865.04 and 38,530.56

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Solution

The fourth proportional to 68,737.08, 94,865.04 and 38,530.56 is: 53,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,737.08 : 94,865.04 = 38,530.56 : x
  2. Step 2: Convert to fraction form
    68,737.08/94,865.04 = 38,530.56/x
  3. Step 3: Cross multiply
    68,737.08x = 94,865.04 × 38,530.56
  4. Step 4: Simplify right side
    68,737.08x = 3,655,203,115.62
  5. Step 5: Solve for x
    x = 3,655,203,115.62/68,737.08
  6. Step 6: Final answer
    x = 53,176.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.