Home / 104,119.20-143,674.29-61,669.53

Finding the Fourth Proportional to 104,119.20, 143,674.29 and 61,669.53

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Solution

The fourth proportional to 104,119.20, 143,674.29 and 61,669.53 is: 85,097.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,119.20 : 143,674.29 = 61,669.53 : x
  2. Step 2: Convert to fraction form
    104,119.20/143,674.29 = 61,669.53/x
  3. Step 3: Cross multiply
    104,119.20x = 143,674.29 × 61,669.53
  4. Step 4: Simplify right side
    104,119.20x = 8,860,325,937.38
  5. Step 5: Solve for x
    x = 8,860,325,937.38/104,119.20
  6. Step 6: Final answer
    x = 85,097.91

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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.