Home / 75,532.36-104,138.34-47,227.72

Finding the Fourth Proportional to 75,532.36, 104,138.34 and 47,227.72

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Solution

The fourth proportional to 75,532.36, 104,138.34 and 47,227.72 is: 65,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,532.36 : 104,138.34 = 47,227.72 : x
  2. Step 2: Convert to fraction form
    75,532.36/104,138.34 = 47,227.72/x
  3. Step 3: Cross multiply
    75,532.36x = 104,138.34 × 47,227.72
  4. Step 4: Simplify right side
    75,532.36x = 4,918,216,362.78
  5. Step 5: Solve for x
    x = 4,918,216,362.78/75,532.36
  6. Step 6: Final answer
    x = 65,114.03

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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.