Home / 47,696.16-65,807.36-29,809.28

Finding the Fourth Proportional to 47,696.16, 65,807.36 and 29,809.28

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Solution

The fourth proportional to 47,696.16, 65,807.36 and 29,809.28 is: 41,128.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,696.16 : 65,807.36 = 29,809.28 : x
  2. Step 2: Convert to fraction form
    47,696.16/65,807.36 = 29,809.28/x
  3. Step 3: Cross multiply
    47,696.16x = 65,807.36 × 29,809.28
  4. Step 4: Simplify right side
    47,696.16x = 1,961,670,020.30
  5. Step 5: Solve for x
    x = 1,961,670,020.30/47,696.16
  6. Step 6: Final answer
    x = 41,128.47

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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.