Home / 81,176.67-112,018.41-45,359.73

Finding the Fourth Proportional to 81,176.67, 112,018.41 and 45,359.73

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Solution

The fourth proportional to 81,176.67, 112,018.41 and 45,359.73 is: 62,593.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,176.67 : 112,018.41 = 45,359.73 : x
  2. Step 2: Convert to fraction form
    81,176.67/112,018.41 = 45,359.73/x
  3. Step 3: Cross multiply
    81,176.67x = 112,018.41 × 45,359.73
  4. Step 4: Simplify right side
    81,176.67x = 5,081,124,832.63
  5. Step 5: Solve for x
    x = 5,081,124,832.63/81,176.67
  6. Step 6: Final answer
    x = 62,593.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.