Home / 75,532.64-104,237.68-41,543.72

Finding the Fourth Proportional to 75,532.64, 104,237.68 and 41,543.72

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Solution

The fourth proportional to 75,532.64, 104,237.68 and 41,543.72 is: 57,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,532.64 : 104,237.68 = 41,543.72 : x
  2. Step 2: Convert to fraction form
    75,532.64/104,237.68 = 41,543.72/x
  3. Step 3: Cross multiply
    75,532.64x = 104,237.68 × 41,543.72
  4. Step 4: Simplify right side
    75,532.64x = 4,330,420,991.37
  5. Step 5: Solve for x
    x = 4,330,420,991.37/75,532.64
  6. Step 6: Final answer
    x = 57,331.78

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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.