Home / 104,147.03-143,723.04-56,400.46

Finding the Fourth Proportional to 104,147.03, 143,723.04 and 56,400.46

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Solution

The fourth proportional to 104,147.03, 143,723.04 and 56,400.46 is: 77,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,147.03 : 143,723.04 = 56,400.46 : x
  2. Step 2: Convert to fraction form
    104,147.03/143,723.04 = 56,400.46/x
  3. Step 3: Cross multiply
    104,147.03x = 143,723.04 × 56,400.46
  4. Step 4: Simplify right side
    104,147.03x = 8,106,045,568.60
  5. Step 5: Solve for x
    x = 8,106,045,568.60/104,147.03
  6. Step 6: Final answer
    x = 77,832.71

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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.