Home / 85,743.24-118,325.44-47,502.86

Finding the Fourth Proportional to 85,743.24, 118,325.44 and 47,502.86

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Solution

The fourth proportional to 85,743.24, 118,325.44 and 47,502.86 is: 65,553.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,743.24 : 118,325.44 = 47,502.86 : x
  2. Step 2: Convert to fraction form
    85,743.24/118,325.44 = 47,502.86/x
  3. Step 3: Cross multiply
    85,743.24x = 118,325.44 × 47,502.86
  4. Step 4: Simplify right side
    85,743.24x = 5,620,796,810.76
  5. Step 5: Solve for x
    x = 5,620,796,810.76/85,743.24
  6. Step 6: Final answer
    x = 65,553.82

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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.