Home / 102,309.78-141,194.60-62,025.24

Finding the Fourth Proportional to 102,309.78, 141,194.60 and 62,025.24

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Solution

The fourth proportional to 102,309.78, 141,194.60 and 62,025.24 is: 85,599.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,309.78 : 141,194.60 = 62,025.24 : x
  2. Step 2: Convert to fraction form
    102,309.78/141,194.60 = 62,025.24/x
  3. Step 3: Cross multiply
    102,309.78x = 141,194.60 × 62,025.24
  4. Step 4: Simplify right side
    102,309.78x = 8,757,628,951.70
  5. Step 5: Solve for x
    x = 8,757,628,951.70/102,309.78
  6. Step 6: Final answer
    x = 85,599.14

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1.5x scale

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.