Home / 72,754.28-100,414.68-45,543.03

Finding the Fourth Proportional to 72,754.28, 100,414.68 and 45,543.03

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Solution

The fourth proportional to 72,754.28, 100,414.68 and 45,543.03 is: 62,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,754.28 : 100,414.68 = 45,543.03 : x
  2. Step 2: Convert to fraction form
    72,754.28/100,414.68 = 45,543.03/x
  3. Step 3: Cross multiply
    72,754.28x = 100,414.68 × 45,543.03
  4. Step 4: Simplify right side
    72,754.28x = 4,573,188,783.68
  5. Step 5: Solve for x
    x = 4,573,188,783.68/72,754.28
  6. Step 6: Final answer
    x = 62,858.01

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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.