Home / 73,166.10-100,967.78-40,900.56

Finding the Fourth Proportional to 73,166.10, 100,967.78 and 40,900.56

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Solution

The fourth proportional to 73,166.10, 100,967.78 and 40,900.56 is: 56,441.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,166.10 : 100,967.78 = 40,900.56 : x
  2. Step 2: Convert to fraction form
    73,166.10/100,967.78 = 40,900.56/x
  3. Step 3: Cross multiply
    73,166.10x = 100,967.78 × 40,900.56
  4. Step 4: Simplify right side
    73,166.10x = 4,129,638,743.96
  5. Step 5: Solve for x
    x = 4,129,638,743.96/73,166.10
  6. Step 6: Final answer
    x = 56,441.97

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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.