Home / 75,727.89-104,504.49-43,915.23

Finding the Fourth Proportional to 75,727.89, 104,504.49 and 43,915.23

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Solution

The fourth proportional to 75,727.89, 104,504.49 and 43,915.23 is: 60,603.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,727.89 : 104,504.49 = 43,915.23 : x
  2. Step 2: Convert to fraction form
    75,727.89/104,504.49 = 43,915.23/x
  3. Step 3: Cross multiply
    75,727.89x = 104,504.49 × 43,915.23
  4. Step 4: Simplify right side
    75,727.89x = 4,589,338,714.38
  5. Step 5: Solve for x
    x = 4,589,338,714.38/75,727.89
  6. Step 6: Final answer
    x = 60,603.02

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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.