Home / 102,211.10-141,044.29-63,969.04

Finding the Fourth Proportional to 102,211.10, 141,044.29 and 63,969.04

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Solution

The fourth proportional to 102,211.10, 141,044.29 and 63,969.04 is: 88,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,211.10 : 141,044.29 = 63,969.04 : x
  2. Step 2: Convert to fraction form
    102,211.10/141,044.29 = 63,969.04/x
  3. Step 3: Cross multiply
    102,211.10x = 141,044.29 × 63,969.04
  4. Step 4: Simplify right side
    102,211.10x = 9,022,467,845.16
  5. Step 5: Solve for x
    x = 9,022,467,845.16/102,211.10
  6. Step 6: Final answer
    x = 88,272.88

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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.