Home / 85,992.75-118,680.92-52,001.46

Finding the Fourth Proportional to 85,992.75, 118,680.92 and 52,001.46

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Solution

The fourth proportional to 85,992.75, 118,680.92 and 52,001.46 is: 71,768.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,992.75 : 118,680.92 = 52,001.46 : x
  2. Step 2: Convert to fraction form
    85,992.75/118,680.92 = 52,001.46/x
  3. Step 3: Cross multiply
    85,992.75x = 118,680.92 × 52,001.46
  4. Step 4: Simplify right side
    85,992.75x = 6,171,580,854.14
  5. Step 5: Solve for x
    x = 6,171,580,854.14/85,992.75
  6. Step 6: Final answer
    x = 71,768.62

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1.5x scale

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.