Home / 73,108.83-100,890.18-41,279.78

Finding the Fourth Proportional to 73,108.83, 100,890.18 and 41,279.78

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Solution

The fourth proportional to 73,108.83, 100,890.18 and 41,279.78 is: 56,966.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,108.83 : 100,890.18 = 41,279.78 : x
  2. Step 2: Convert to fraction form
    73,108.83/100,890.18 = 41,279.78/x
  3. Step 3: Cross multiply
    73,108.83x = 100,890.18 × 41,279.78
  4. Step 4: Simplify right side
    73,108.83x = 4,164,724,235.38
  5. Step 5: Solve for x
    x = 4,164,724,235.38/73,108.83
  6. Step 6: Final answer
    x = 56,966.09

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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.