Home / 104,103.07-143,661.05-56,355.37

Finding the Fourth Proportional to 104,103.07, 143,661.05 and 56,355.37

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Solution

The fourth proportional to 104,103.07, 143,661.05 and 56,355.37 is: 77,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,103.07 : 143,661.05 = 56,355.37 : x
  2. Step 2: Convert to fraction form
    104,103.07/143,661.05 = 56,355.37/x
  3. Step 3: Cross multiply
    104,103.07x = 143,661.05 × 56,355.37
  4. Step 4: Simplify right side
    104,103.07x = 8,096,071,345.56
  5. Step 5: Solve for x
    x = 8,096,071,345.56/104,103.07
  6. Step 6: Final answer
    x = 77,769.77

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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.