Home / 105,551.24-158,239.64-49,363.70

Finding the Fourth Proportional to 105,551.24, 158,239.64 and 49,363.70

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Solution

The fourth proportional to 105,551.24, 158,239.64 and 49,363.70 is: 74,004.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,551.24 : 158,239.64 = 49,363.70 : x
  2. Step 2: Convert to fraction form
    105,551.24/158,239.64 = 49,363.70/x
  3. Step 3: Cross multiply
    105,551.24x = 158,239.64 × 49,363.70
  4. Step 4: Simplify right side
    105,551.24x = 7,811,293,449.28
  5. Step 5: Solve for x
    x = 7,811,293,449.28/105,551.24
  6. Step 6: Final answer
    x = 74,004.76

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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.