Home / 62,754.10-94,142.70-20,636.53

Finding the Fourth Proportional to 62,754.10, 94,142.70 and 20,636.53

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Solution

The fourth proportional to 62,754.10, 94,142.70 and 20,636.53 is: 30,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,754.10 : 94,142.70 = 20,636.53 : x
  2. Step 2: Convert to fraction form
    62,754.10/94,142.70 = 20,636.53/x
  3. Step 3: Cross multiply
    62,754.10x = 94,142.70 × 20,636.53
  4. Step 4: Simplify right side
    62,754.10x = 1,942,778,417.47
  5. Step 5: Solve for x
    x = 1,942,778,417.47/62,754.10
  6. Step 6: Final answer
    x = 30,958.59

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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.