Home / 85,832.28-118,455.78-48,113.82

Finding the Fourth Proportional to 85,832.28, 118,455.78 and 48,113.82

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Solution

The fourth proportional to 85,832.28, 118,455.78 and 48,113.82 is: 66,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,832.28 : 118,455.78 = 48,113.82 : x
  2. Step 2: Convert to fraction form
    85,832.28/118,455.78 = 48,113.82/x
  3. Step 3: Cross multiply
    85,832.28x = 118,455.78 × 48,113.82
  4. Step 4: Simplify right side
    85,832.28x = 5,699,360,076.88
  5. Step 5: Solve for x
    x = 5,699,360,076.88/85,832.28
  6. Step 6: Final answer
    x = 66,401.13

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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.