Home / 104,069.77-143,581.21-67,754.63

Finding the Fourth Proportional to 104,069.77, 143,581.21 and 67,754.63

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Solution

The fourth proportional to 104,069.77, 143,581.21 and 67,754.63 is: 93,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,069.77 : 143,581.21 = 67,754.63 : x
  2. Step 2: Convert to fraction form
    104,069.77/143,581.21 = 67,754.63/x
  3. Step 3: Cross multiply
    104,069.77x = 143,581.21 × 67,754.63
  4. Step 4: Simplify right side
    104,069.77x = 9,728,291,948.07
  5. Step 5: Solve for x
    x = 9,728,291,948.07/104,069.77
  6. Step 6: Final answer
    x = 93,478.56

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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.