Home / 65,224.17-90,190.54-51,772.07

Finding the Fourth Proportional to 65,224.17, 90,190.54 and 51,772.07

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Solution

The fourth proportional to 65,224.17, 90,190.54 and 51,772.07 is: 71,589.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,224.17 : 90,190.54 = 51,772.07 : x
  2. Step 2: Convert to fraction form
    65,224.17/90,190.54 = 51,772.07/x
  3. Step 3: Cross multiply
    65,224.17x = 90,190.54 × 51,772.07
  4. Step 4: Simplify right side
    65,224.17x = 4,669,350,841.14
  5. Step 5: Solve for x
    x = 4,669,350,841.14/65,224.17
  6. Step 6: Final answer
    x = 71,589.27

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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.