Home / 62,872.15-94,319.86-20,755.16

Finding the Fourth Proportional to 62,872.15, 94,319.86 and 20,755.16

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Solution

The fourth proportional to 62,872.15, 94,319.86 and 20,755.16 is: 31,136.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,872.15 : 94,319.86 = 20,755.16 : x
  2. Step 2: Convert to fraction form
    62,872.15/94,319.86 = 20,755.16/x
  3. Step 3: Cross multiply
    62,872.15x = 94,319.86 × 20,755.16
  4. Step 4: Simplify right side
    62,872.15x = 1,957,623,785.48
  5. Step 5: Solve for x
    x = 1,957,623,785.48/62,872.15
  6. Step 6: Final answer
    x = 31,136.58

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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.