Home / 105,395.31-158,093.24-43,065.81

Finding the Fourth Proportional to 105,395.31, 158,093.24 and 43,065.81

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Solution

The fourth proportional to 105,395.31, 158,093.24 and 43,065.81 is: 64,598.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,395.31 : 158,093.24 = 43,065.81 : x
  2. Step 2: Convert to fraction form
    105,395.31/158,093.24 = 43,065.81/x
  3. Step 3: Cross multiply
    105,395.31x = 158,093.24 × 43,065.81
  4. Step 4: Simplify right side
    105,395.31x = 6,808,413,220.80
  5. Step 5: Solve for x
    x = 6,808,413,220.80/105,395.31
  6. Step 6: Final answer
    x = 64,598.83

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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.