Home / 103,994.57-143,514.50-58,663.64

Finding the Fourth Proportional to 103,994.57, 143,514.50 and 58,663.64

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Solution

The fourth proportional to 103,994.57, 143,514.50 and 58,663.64 is: 80,956.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,994.57 : 143,514.50 = 58,663.64 : x
  2. Step 2: Convert to fraction form
    103,994.57/143,514.50 = 58,663.64/x
  3. Step 3: Cross multiply
    103,994.57x = 143,514.50 × 58,663.64
  4. Step 4: Simplify right side
    103,994.57x = 8,419,081,951.89
  5. Step 5: Solve for x
    x = 8,419,081,951.89/103,994.57
  6. Step 6: Final answer
    x = 80,956.94

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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.