Home / 76,143.08-114,148.98-36,727.88

Finding the Fourth Proportional to 76,143.08, 114,148.98 and 36,727.88

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Solution

The fourth proportional to 76,143.08, 114,148.98 and 36,727.88 is: 55,060.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,143.08 : 114,148.98 = 36,727.88 : x
  2. Step 2: Convert to fraction form
    76,143.08/114,148.98 = 36,727.88/x
  3. Step 3: Cross multiply
    76,143.08x = 114,148.98 × 36,727.88
  4. Step 4: Simplify right side
    76,143.08x = 4,192,450,039.56
  5. Step 5: Solve for x
    x = 4,192,450,039.56/76,143.08
  6. Step 6: Final answer
    x = 55,060.16

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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.