Home / 67,516.32-101,219.65-28,102.94

Finding the Fourth Proportional to 67,516.32, 101,219.65 and 28,102.94

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Solution

The fourth proportional to 67,516.32, 101,219.65 and 28,102.94 is: 42,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,516.32 : 101,219.65 = 28,102.94 : x
  2. Step 2: Convert to fraction form
    67,516.32/101,219.65 = 28,102.94/x
  3. Step 3: Cross multiply
    67,516.32x = 101,219.65 × 28,102.94
  4. Step 4: Simplify right side
    67,516.32x = 2,844,569,174.42
  5. Step 5: Solve for x
    x = 2,844,569,174.42/67,516.32
  6. Step 6: Final answer
    x = 42,131.58

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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.