Home / 73,164.10-100,961.22-42,950.65

Finding the Fourth Proportional to 73,164.10, 100,961.22 and 42,950.65

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Solution

The fourth proportional to 73,164.10, 100,961.22 and 42,950.65 is: 59,268.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,164.10 : 100,961.22 = 42,950.65 : x
  2. Step 2: Convert to fraction form
    73,164.10/100,961.22 = 42,950.65/x
  3. Step 3: Cross multiply
    73,164.10x = 100,961.22 × 42,950.65
  4. Step 4: Simplify right side
    73,164.10x = 4,336,350,023.79
  5. Step 5: Solve for x
    x = 4,336,350,023.79/73,164.10
  6. Step 6: Final answer
    x = 59,268.82

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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.