Home / 104,009.36-143,516.88-58,683.76

Finding the Fourth Proportional to 104,009.36, 143,516.88 and 58,683.76

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Solution

The fourth proportional to 104,009.36, 143,516.88 and 58,683.76 is: 80,974.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,009.36 : 143,516.88 = 58,683.76 : x
  2. Step 2: Convert to fraction form
    104,009.36/143,516.88 = 58,683.76/x
  3. Step 3: Cross multiply
    104,009.36x = 143,516.88 × 58,683.76
  4. Step 4: Simplify right side
    104,009.36x = 8,422,110,141.87
  5. Step 5: Solve for x
    x = 8,422,110,141.87/104,009.36
  6. Step 6: Final answer
    x = 80,974.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.