Home / 60,514.29-90,772.04-21,072.35

Finding the Fourth Proportional to 60,514.29, 90,772.04 and 21,072.35

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Solution

The fourth proportional to 60,514.29, 90,772.04 and 21,072.35 is: 31,608.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,514.29 : 90,772.04 = 21,072.35 : x
  2. Step 2: Convert to fraction form
    60,514.29/90,772.04 = 21,072.35/x
  3. Step 3: Cross multiply
    60,514.29x = 90,772.04 × 21,072.35
  4. Step 4: Simplify right side
    60,514.29x = 1,912,780,476.70
  5. Step 5: Solve for x
    x = 1,912,780,476.70/60,514.29
  6. Step 6: Final answer
    x = 31,608.74

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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.