Home / 85,743.30-118,204.02-63,042.24

Finding the Fourth Proportional to 85,743.30, 118,204.02 and 63,042.24

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Solution

The fourth proportional to 85,743.30, 118,204.02 and 63,042.24 is: 86,908.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,743.30 : 118,204.02 = 63,042.24 : x
  2. Step 2: Convert to fraction form
    85,743.30/118,204.02 = 63,042.24/x
  3. Step 3: Cross multiply
    85,743.30x = 118,204.02 × 63,042.24
  4. Step 4: Simplify right side
    85,743.30x = 7,451,846,197.80
  5. Step 5: Solve for x
    x = 7,451,846,197.80/85,743.30
  6. Step 6: Final answer
    x = 86,908.79

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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.