Home / 82,407.78-123,650.55-29,803.14

Finding the Fourth Proportional to 82,407.78, 123,650.55 and 29,803.14

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Solution

The fourth proportional to 82,407.78, 123,650.55 and 29,803.14 is: 44,718.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,407.78 : 123,650.55 = 29,803.14 : x
  2. Step 2: Convert to fraction form
    82,407.78/123,650.55 = 29,803.14/x
  3. Step 3: Cross multiply
    82,407.78x = 123,650.55 × 29,803.14
  4. Step 4: Simplify right side
    82,407.78x = 3,685,174,652.73
  5. Step 5: Solve for x
    x = 3,685,174,652.73/82,407.78
  6. Step 6: Final answer
    x = 44,718.77

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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.