Home / 81,259.53-112,093.02-47,264.19

Finding the Fourth Proportional to 81,259.53, 112,093.02 and 47,264.19

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Solution

The fourth proportional to 81,259.53, 112,093.02 and 47,264.19 is: 65,198.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,259.53 : 112,093.02 = 47,264.19 : x
  2. Step 2: Convert to fraction form
    81,259.53/112,093.02 = 47,264.19/x
  3. Step 3: Cross multiply
    81,259.53x = 112,093.02 × 47,264.19
  4. Step 4: Simplify right side
    81,259.53x = 5,297,985,794.95
  5. Step 5: Solve for x
    x = 5,297,985,794.95/81,259.53
  6. Step 6: Final answer
    x = 65,198.33

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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.