Home / 105,571.53-158,357.30-26,685.76

Finding the Fourth Proportional to 105,571.53, 158,357.30 and 26,685.76

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Solution

The fourth proportional to 105,571.53, 158,357.30 and 26,685.76 is: 40,028.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,571.53 : 158,357.30 = 26,685.76 : x
  2. Step 2: Convert to fraction form
    105,571.53/158,357.30 = 26,685.76/x
  3. Step 3: Cross multiply
    105,571.53x = 158,357.30 × 26,685.76
  4. Step 4: Simplify right side
    105,571.53x = 4,225,884,902.05
  5. Step 5: Solve for x
    x = 4,225,884,902.05/105,571.53
  6. Step 6: Final answer
    x = 40,028.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.