Home / 82,182.02-123,289.78-37,181.76

Finding the Fourth Proportional to 82,182.02, 123,289.78 and 37,181.76

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Solution

The fourth proportional to 82,182.02, 123,289.78 and 37,181.76 is: 55,780.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,182.02 : 123,289.78 = 37,181.76 : x
  2. Step 2: Convert to fraction form
    82,182.02/123,289.78 = 37,181.76/x
  3. Step 3: Cross multiply
    82,182.02x = 123,289.78 × 37,181.76
  4. Step 4: Simplify right side
    82,182.02x = 4,584,130,917.46
  5. Step 5: Solve for x
    x = 4,584,130,917.46/82,182.02
  6. Step 6: Final answer
    x = 55,780.22

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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.