Home / 52,730.15-72,767.41-28,531.04

Finding the Fourth Proportional to 52,730.15, 72,767.41 and 28,531.04

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Solution

The fourth proportional to 52,730.15, 72,767.41 and 28,531.04 is: 39,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,730.15 : 72,767.41 = 28,531.04 : x
  2. Step 2: Convert to fraction form
    52,730.15/72,767.41 = 28,531.04/x
  3. Step 3: Cross multiply
    52,730.15x = 72,767.41 × 28,531.04
  4. Step 4: Simplify right side
    52,730.15x = 2,076,129,996.00
  5. Step 5: Solve for x
    x = 2,076,129,996.00/52,730.15
  6. Step 6: Final answer
    x = 39,372.73

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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.