Home / 81,475.08-112,394.43-60,217.44

Finding the Fourth Proportional to 81,475.08, 112,394.43 and 60,217.44

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Solution

The fourth proportional to 81,475.08, 112,394.43 and 60,217.44 is: 83,069.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,475.08 : 112,394.43 = 60,217.44 : x
  2. Step 2: Convert to fraction form
    81,475.08/112,394.43 = 60,217.44/x
  3. Step 3: Cross multiply
    81,475.08x = 112,394.43 × 60,217.44
  4. Step 4: Simplify right side
    81,475.08x = 6,768,104,844.86
  5. Step 5: Solve for x
    x = 6,768,104,844.86/81,475.08
  6. Step 6: Final answer
    x = 83,069.63

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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.