Home / 75,087.10-103,620.39-41,554.30

Finding the Fourth Proportional to 75,087.10, 103,620.39 and 41,554.30

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Solution

The fourth proportional to 75,087.10, 103,620.39 and 41,554.30 is: 57,345.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,087.10 : 103,620.39 = 41,554.30 : x
  2. Step 2: Convert to fraction form
    75,087.10/103,620.39 = 41,554.30/x
  3. Step 3: Cross multiply
    75,087.10x = 103,620.39 × 41,554.30
  4. Step 4: Simplify right side
    75,087.10x = 4,305,872,772.18
  5. Step 5: Solve for x
    x = 4,305,872,772.18/75,087.10
  6. Step 6: Final answer
    x = 57,345.04

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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.