Home / 104,150.48-143,727.44-56,403.68

Finding the Fourth Proportional to 104,150.48, 143,727.44 and 56,403.68

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Solution

The fourth proportional to 104,150.48, 143,727.44 and 56,403.68 is: 77,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,150.48 : 143,727.44 = 56,403.68 : x
  2. Step 2: Convert to fraction form
    104,150.48/143,727.44 = 56,403.68/x
  3. Step 3: Cross multiply
    104,150.48x = 143,727.44 × 56,403.68
  4. Step 4: Simplify right side
    104,150.48x = 8,106,756,532.98
  5. Step 5: Solve for x
    x = 8,106,756,532.98/104,150.48
  6. Step 6: Final answer
    x = 77,836.96

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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.