Home / 103,894.64-143,383.40-58,581.36

Finding the Fourth Proportional to 103,894.64, 143,383.40 and 58,581.36

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Solution

The fourth proportional to 103,894.64, 143,383.40 and 58,581.36 is: 80,847.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,894.64 : 143,383.40 = 58,581.36 : x
  2. Step 2: Convert to fraction form
    103,894.64/143,383.40 = 58,581.36/x
  3. Step 3: Cross multiply
    103,894.64x = 143,383.40 × 58,581.36
  4. Step 4: Simplify right side
    103,894.64x = 8,399,594,573.42
  5. Step 5: Solve for x
    x = 8,399,594,573.42/103,894.64
  6. Step 6: Final answer
    x = 80,847.24

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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.