Home / 62,145.16-85,792.77-48,503.90

Finding the Fourth Proportional to 62,145.16, 85,792.77 and 48,503.90

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Solution

The fourth proportional to 62,145.16, 85,792.77 and 48,503.90 is: 66,960.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,145.16 : 85,792.77 = 48,503.90 : x
  2. Step 2: Convert to fraction form
    62,145.16/85,792.77 = 48,503.90/x
  3. Step 3: Cross multiply
    62,145.16x = 85,792.77 × 48,503.90
  4. Step 4: Simplify right side
    62,145.16x = 4,161,283,936.80
  5. Step 5: Solve for x
    x = 4,161,283,936.80/62,145.16
  6. Step 6: Final answer
    x = 66,960.71

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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.