Home / 105,190.55-145,176.68-59,859.71

Finding the Fourth Proportional to 105,190.55, 145,176.68 and 59,859.71

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Solution

The fourth proportional to 105,190.55, 145,176.68 and 59,859.71 is: 82,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,190.55 : 145,176.68 = 59,859.71 : x
  2. Step 2: Convert to fraction form
    105,190.55/145,176.68 = 59,859.71/x
  3. Step 3: Cross multiply
    105,190.55x = 145,176.68 × 59,859.71
  4. Step 4: Simplify right side
    105,190.55x = 8,690,233,963.56
  5. Step 5: Solve for x
    x = 8,690,233,963.56/105,190.55
  6. Step 6: Final answer
    x = 82,614.21

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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.