Home / 76,027.40-114,041.10-51,144.20

Finding the Fourth Proportional to 76,027.40, 114,041.10 and 51,144.20

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Solution

The fourth proportional to 76,027.40, 114,041.10 and 51,144.20 is: 76,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,027.40 : 114,041.10 = 51,144.20 : x
  2. Step 2: Convert to fraction form
    76,027.40/114,041.10 = 51,144.20/x
  3. Step 3: Cross multiply
    76,027.40x = 114,041.10 × 51,144.20
  4. Step 4: Simplify right side
    76,027.40x = 5,832,540,826.62
  5. Step 5: Solve for x
    x = 5,832,540,826.62/76,027.40
  6. Step 6: Final answer
    x = 76,716.30

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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.