Home / 104,617.96-144,371.62-77,880.04

Finding the Fourth Proportional to 104,617.96, 144,371.62 and 77,880.04

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Solution

The fourth proportional to 104,617.96, 144,371.62 and 77,880.04 is: 107,473.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,617.96 : 144,371.62 = 77,880.04 : x
  2. Step 2: Convert to fraction form
    104,617.96/144,371.62 = 77,880.04/x
  3. Step 3: Cross multiply
    104,617.96x = 144,371.62 × 77,880.04
  4. Step 4: Simplify right side
    104,617.96x = 11,243,667,540.46
  5. Step 5: Solve for x
    x = 11,243,667,540.46/104,617.96
  6. Step 6: Final answer
    x = 107,473.59

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1.5x scale

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.