Home / 105,429.01-158,237.07-49,299.67

Finding the Fourth Proportional to 105,429.01, 158,237.07 and 49,299.67

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Solution

The fourth proportional to 105,429.01, 158,237.07 and 49,299.67 is: 73,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,429.01 : 158,237.07 = 49,299.67 : x
  2. Step 2: Convert to fraction form
    105,429.01/158,237.07 = 49,299.67/x
  3. Step 3: Cross multiply
    105,429.01x = 158,237.07 × 49,299.67
  4. Step 4: Simplify right side
    105,429.01x = 7,801,035,332.77
  5. Step 5: Solve for x
    x = 7,801,035,332.77/105,429.01
  6. Step 6: Final answer
    x = 73,993.25

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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.