Home / 99,732.29-137,611.73-59,449.81

Finding the Fourth Proportional to 99,732.29, 137,611.73 and 59,449.81

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Solution

The fourth proportional to 99,732.29, 137,611.73 and 59,449.81 is: 82,029.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,732.29 : 137,611.73 = 59,449.81 : x
  2. Step 2: Convert to fraction form
    99,732.29/137,611.73 = 59,449.81/x
  3. Step 3: Cross multiply
    99,732.29x = 137,611.73 × 59,449.81
  4. Step 4: Simplify right side
    99,732.29x = 8,180,990,709.62
  5. Step 5: Solve for x
    x = 8,180,990,709.62/99,732.29
  6. Step 6: Final answer
    x = 82,029.51

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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.