Home / 81,362.18-112,274.49-45,551.86

Finding the Fourth Proportional to 81,362.18, 112,274.49 and 45,551.86

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Solution

The fourth proportional to 81,362.18, 112,274.49 and 45,551.86 is: 62,858.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,362.18 : 112,274.49 = 45,551.86 : x
  2. Step 2: Convert to fraction form
    81,362.18/112,274.49 = 45,551.86/x
  3. Step 3: Cross multiply
    81,362.18x = 112,274.49 × 45,551.86
  4. Step 4: Simplify right side
    81,362.18x = 5,114,311,850.05
  5. Step 5: Solve for x
    x = 5,114,311,850.05/81,362.18
  6. Step 6: Final answer
    x = 62,858.59

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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.