Home / 52,705.65-72,733.20-28,832.04

Finding the Fourth Proportional to 52,705.65, 72,733.20 and 28,832.04

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Solution

The fourth proportional to 52,705.65, 72,733.20 and 28,832.04 is: 39,787.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,705.65 : 72,733.20 = 28,832.04 : x
  2. Step 2: Convert to fraction form
    52,705.65/72,733.20 = 28,832.04/x
  3. Step 3: Cross multiply
    52,705.65x = 72,733.20 × 28,832.04
  4. Step 4: Simplify right side
    52,705.65x = 2,097,046,531.73
  5. Step 5: Solve for x
    x = 2,097,046,531.73/52,705.65
  6. Step 6: Final answer
    x = 39,787.89

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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.