Home / 82,776.59-124,183.38-30,186.06

Finding the Fourth Proportional to 82,776.59, 124,183.38 and 30,186.06

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Solution

The fourth proportional to 82,776.59, 124,183.38 and 30,186.06 is: 45,285.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,776.59 : 124,183.38 = 30,186.06 : x
  2. Step 2: Convert to fraction form
    82,776.59/124,183.38 = 30,186.06/x
  3. Step 3: Cross multiply
    82,776.59x = 124,183.38 × 30,186.06
  4. Step 4: Simplify right side
    82,776.59x = 3,748,606,959.68
  5. Step 5: Solve for x
    x = 3,748,606,959.68/82,776.59
  6. Step 6: Final answer
    x = 45,285.84

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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.