Home / 105,484.79-158,015.16-49,247.30

Finding the Fourth Proportional to 105,484.79, 158,015.16 and 49,247.30

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Solution

The fourth proportional to 105,484.79, 158,015.16 and 49,247.30 is: 73,771.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,484.79 : 158,015.16 = 49,247.30 : x
  2. Step 2: Convert to fraction form
    105,484.79/158,015.16 = 49,247.30/x
  3. Step 3: Cross multiply
    105,484.79x = 158,015.16 × 49,247.30
  4. Step 4: Simplify right side
    105,484.79x = 7,781,819,198.99
  5. Step 5: Solve for x
    x = 7,781,819,198.99/105,484.79
  6. Step 6: Final answer
    x = 73,771.96

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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.