Home / 82,775.08-124,181.12-30,184.56

Finding the Fourth Proportional to 82,775.08, 124,181.12 and 30,184.56

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Solution

The fourth proportional to 82,775.08, 124,181.12 and 30,184.56 is: 45,283.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,775.08 : 124,181.12 = 30,184.56 : x
  2. Step 2: Convert to fraction form
    82,775.08/124,181.12 = 30,184.56/x
  3. Step 3: Cross multiply
    82,775.08x = 124,181.12 × 30,184.56
  4. Step 4: Simplify right side
    82,775.08x = 3,748,352,542.97
  5. Step 5: Solve for x
    x = 3,748,352,542.97/82,775.08
  6. Step 6: Final answer
    x = 45,283.59

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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.