Home / 105,375.06-158,062.86-43,045.56

Finding the Fourth Proportional to 105,375.06, 158,062.86 and 43,045.56

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Solution

The fourth proportional to 105,375.06, 158,062.86 and 43,045.56 is: 64,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,375.06 : 158,062.86 = 43,045.56 : x
  2. Step 2: Convert to fraction form
    105,375.06/158,062.86 = 43,045.56/x
  3. Step 3: Cross multiply
    105,375.06x = 158,062.86 × 43,045.56
  4. Step 4: Simplify right side
    105,375.06x = 6,803,904,323.90
  5. Step 5: Solve for x
    x = 6,803,904,323.90/105,375.06
  6. Step 6: Final answer
    x = 64,568.45

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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.