Home / 85,220.73-117,608.63-47,495.25

Finding the Fourth Proportional to 85,220.73, 117,608.63 and 47,495.25

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Solution

The fourth proportional to 85,220.73, 117,608.63 and 47,495.25 is: 65,545.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,220.73 : 117,608.63 = 47,495.25 : x
  2. Step 2: Convert to fraction form
    85,220.73/117,608.63 = 47,495.25/x
  3. Step 3: Cross multiply
    85,220.73x = 117,608.63 × 47,495.25
  4. Step 4: Simplify right side
    85,220.73x = 5,585,851,046.53
  5. Step 5: Solve for x
    x = 5,585,851,046.53/85,220.73
  6. Step 6: Final answer
    x = 65,545.68

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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.