Home / 67,660.15-101,514.53-28,229.35

Finding the Fourth Proportional to 67,660.15, 101,514.53 and 28,229.35

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Solution

The fourth proportional to 67,660.15, 101,514.53 and 28,229.35 is: 42,354.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,660.15 : 101,514.53 = 28,229.35 : x
  2. Step 2: Convert to fraction form
    67,660.15/101,514.53 = 28,229.35/x
  3. Step 3: Cross multiply
    67,660.15x = 101,514.53 × 28,229.35
  4. Step 4: Simplify right side
    67,660.15x = 2,865,689,056.31
  5. Step 5: Solve for x
    x = 2,865,689,056.31/67,660.15
  6. Step 6: Final answer
    x = 42,354.16

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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.