Home / 52,696.42-72,721.14-28,823.02

Finding the Fourth Proportional to 52,696.42, 72,721.14 and 28,823.02

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Solution

The fourth proportional to 52,696.42, 72,721.14 and 28,823.02 is: 39,775.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,696.42 : 72,721.14 = 28,823.02 : x
  2. Step 2: Convert to fraction form
    52,696.42/72,721.14 = 28,823.02/x
  3. Step 3: Cross multiply
    52,696.42x = 72,721.14 × 28,823.02
  4. Step 4: Simplify right side
    52,696.42x = 2,096,042,872.64
  5. Step 5: Solve for x
    x = 2,096,042,872.64/52,696.42
  6. Step 6: Final answer
    x = 39,775.81

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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.