Home / 104,722.84-144,514.18-56,974.96

Finding the Fourth Proportional to 104,722.84, 144,514.18 and 56,974.96

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Solution

The fourth proportional to 104,722.84, 144,514.18 and 56,974.96 is: 78,623.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,722.84 : 144,514.18 = 56,974.96 : x
  2. Step 2: Convert to fraction form
    104,722.84/144,514.18 = 56,974.96/x
  3. Step 3: Cross multiply
    104,722.84x = 144,514.18 × 56,974.96
  4. Step 4: Simplify right side
    104,722.84x = 8,233,689,624.93
  5. Step 5: Solve for x
    x = 8,233,689,624.93/104,722.84
  6. Step 6: Final answer
    x = 78,623.63

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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.