Home / 62,531.10-93,806.28-20,968.38

Finding the Fourth Proportional to 62,531.10, 93,806.28 and 20,968.38

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Solution

The fourth proportional to 62,531.10, 93,806.28 and 20,968.38 is: 31,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,531.10 : 93,806.28 = 20,968.38 : x
  2. Step 2: Convert to fraction form
    62,531.10/93,806.28 = 20,968.38/x
  3. Step 3: Cross multiply
    62,531.10x = 93,806.28 × 20,968.38
  4. Step 4: Simplify right side
    62,531.10x = 1,966,965,725.43
  5. Step 5: Solve for x
    x = 1,966,965,725.43/62,531.10
  6. Step 6: Final answer
    x = 31,455.80

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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.