Home / 102,827.16-141,949.26-65,152.44

Finding the Fourth Proportional to 102,827.16, 141,949.26 and 65,152.44

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Solution

The fourth proportional to 102,827.16, 141,949.26 and 65,152.44 is: 89,940.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,827.16 : 141,949.26 = 65,152.44 : x
  2. Step 2: Convert to fraction form
    102,827.16/141,949.26 = 65,152.44/x
  3. Step 3: Cross multiply
    102,827.16x = 141,949.26 × 65,152.44
  4. Step 4: Simplify right side
    102,827.16x = 9,248,340,645.19
  5. Step 5: Solve for x
    x = 9,248,340,645.19/102,827.16
  6. Step 6: Final answer
    x = 89,940.64

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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.