Home / 44,785.10-61,792.80-28,850.78

Finding the Fourth Proportional to 44,785.10, 61,792.80 and 28,850.78

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Solution

The fourth proportional to 44,785.10, 61,792.80 and 28,850.78 is: 39,807.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,785.10 : 61,792.80 = 28,850.78 : x
  2. Step 2: Convert to fraction form
    44,785.10/61,792.80 = 28,850.78/x
  3. Step 3: Cross multiply
    44,785.10x = 61,792.80 × 28,850.78
  4. Step 4: Simplify right side
    44,785.10x = 1,782,770,478.38
  5. Step 5: Solve for x
    x = 1,782,770,478.38/44,785.10
  6. Step 6: Final answer
    x = 39,807.22

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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.