Home / 81,466.02-112,418.37-47,480.04

Finding the Fourth Proportional to 81,466.02, 112,418.37 and 47,480.04

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Solution

The fourth proportional to 81,466.02, 112,418.37 and 47,480.04 is: 65,519.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,466.02 : 112,418.37 = 47,480.04 : x
  2. Step 2: Convert to fraction form
    81,466.02/112,418.37 = 47,480.04/x
  3. Step 3: Cross multiply
    81,466.02x = 112,418.37 × 47,480.04
  4. Step 4: Simplify right side
    81,466.02x = 5,337,628,704.33
  5. Step 5: Solve for x
    x = 5,337,628,704.33/81,466.02
  6. Step 6: Final answer
    x = 65,519.69

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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.