Home / 85,938.75-118,593.66-47,696.07

Finding the Fourth Proportional to 85,938.75, 118,593.66 and 47,696.07

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Solution

The fourth proportional to 85,938.75, 118,593.66 and 47,696.07 is: 65,819.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,938.75 : 118,593.66 = 47,696.07 : x
  2. Step 2: Convert to fraction form
    85,938.75/118,593.66 = 47,696.07/x
  3. Step 3: Cross multiply
    85,938.75x = 118,593.66 × 47,696.07
  4. Step 4: Simplify right side
    85,938.75x = 5,656,451,508.92
  5. Step 5: Solve for x
    x = 5,656,451,508.92/85,938.75
  6. Step 6: Final answer
    x = 65,819.57

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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.