Home / 75,205.56-103,640.82-53,948.04

Finding the Fourth Proportional to 75,205.56, 103,640.82 and 53,948.04

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Solution

The fourth proportional to 75,205.56, 103,640.82 and 53,948.04 is: 74,345.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,205.56 : 103,640.82 = 53,948.04 : x
  2. Step 2: Convert to fraction form
    75,205.56/103,640.82 = 53,948.04/x
  3. Step 3: Cross multiply
    75,205.56x = 103,640.82 × 53,948.04
  4. Step 4: Simplify right side
    75,205.56x = 5,591,219,102.99
  5. Step 5: Solve for x
    x = 5,591,219,102.99/75,205.56
  6. Step 6: Final answer
    x = 74,345.82

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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.