Home / 102,309.72-141,194.52-62,025.20

Finding the Fourth Proportional to 102,309.72, 141,194.52 and 62,025.20

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Solution

The fourth proportional to 102,309.72, 141,194.52 and 62,025.20 is: 85,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,309.72 : 141,194.52 = 62,025.20 : x
  2. Step 2: Convert to fraction form
    102,309.72/141,194.52 = 62,025.20/x
  3. Step 3: Cross multiply
    102,309.72x = 141,194.52 × 62,025.20
  4. Step 4: Simplify right side
    102,309.72x = 8,757,618,341.90
  5. Step 5: Solve for x
    x = 8,757,618,341.90/102,309.72
  6. Step 6: Final answer
    x = 85,599.08

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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.