Home / 75,204.56-103,639.44-53,947.04

Finding the Fourth Proportional to 75,204.56, 103,639.44 and 53,947.04

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Solution

The fourth proportional to 75,204.56, 103,639.44 and 53,947.04 is: 74,344.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,204.56 : 103,639.44 = 53,947.04 : x
  2. Step 2: Convert to fraction form
    75,204.56/103,639.44 = 53,947.04/x
  3. Step 3: Cross multiply
    75,204.56x = 103,639.44 × 53,947.04
  4. Step 4: Simplify right side
    75,204.56x = 5,591,041,015.26
  5. Step 5: Solve for x
    x = 5,591,041,015.26/75,204.56
  6. Step 6: Final answer
    x = 74,344.44

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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.