Home / 62,850.29-94,255.17-20,720.57

Finding the Fourth Proportional to 62,850.29, 94,255.17 and 20,720.57

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Solution

The fourth proportional to 62,850.29, 94,255.17 and 20,720.57 is: 31,074.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,850.29 : 94,255.17 = 20,720.57 : x
  2. Step 2: Convert to fraction form
    62,850.29/94,255.17 = 20,720.57/x
  3. Step 3: Cross multiply
    62,850.29x = 94,255.17 × 20,720.57
  4. Step 4: Simplify right side
    62,850.29x = 1,953,020,376.57
  5. Step 5: Solve for x
    x = 1,953,020,376.57/62,850.29
  6. Step 6: Final answer
    x = 31,074.17

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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.