Home / 76,027.72-114,145.01-42,771.19

Finding the Fourth Proportional to 76,027.72, 114,145.01 and 42,771.19

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Solution

The fourth proportional to 76,027.72, 114,145.01 and 42,771.19 is: 64,214.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,027.72 : 114,145.01 = 42,771.19 : x
  2. Step 2: Convert to fraction form
    76,027.72/114,145.01 = 42,771.19/x
  3. Step 3: Cross multiply
    76,027.72x = 114,145.01 × 42,771.19
  4. Step 4: Simplify right side
    76,027.72x = 4,882,117,910.26
  5. Step 5: Solve for x
    x = 4,882,117,910.26/76,027.72
  6. Step 6: Final answer
    x = 64,214.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.