Home / 105,491.72-158,237.10-43,162.22

Finding the Fourth Proportional to 105,491.72, 158,237.10 and 43,162.22

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Solution

The fourth proportional to 105,491.72, 158,237.10 and 43,162.22 is: 64,743.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,491.72 : 158,237.10 = 43,162.22 : x
  2. Step 2: Convert to fraction form
    105,491.72/158,237.10 = 43,162.22/x
  3. Step 3: Cross multiply
    105,491.72x = 158,237.10 × 43,162.22
  4. Step 4: Simplify right side
    105,491.72x = 6,829,863,731.18
  5. Step 5: Solve for x
    x = 6,829,863,731.18/105,491.72
  6. Step 6: Final answer
    x = 64,743.13

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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.