Home / 102,618.73-153,933.29-39,416.70

Finding the Fourth Proportional to 102,618.73, 153,933.29 and 39,416.70

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Solution

The fourth proportional to 102,618.73, 153,933.29 and 39,416.70 is: 59,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,618.73 : 153,933.29 = 39,416.70 : x
  2. Step 2: Convert to fraction form
    102,618.73/153,933.29 = 39,416.70/x
  3. Step 3: Cross multiply
    102,618.73x = 153,933.29 × 39,416.70
  4. Step 4: Simplify right side
    102,618.73x = 6,067,542,311.94
  5. Step 5: Solve for x
    x = 6,067,542,311.94/102,618.73
  6. Step 6: Final answer
    x = 59,127.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.