Home / 79,012.56-109,037.43-43,202.73

Finding the Fourth Proportional to 79,012.56, 109,037.43 and 43,202.73

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Solution

The fourth proportional to 79,012.56, 109,037.43 and 43,202.73 is: 59,619.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,012.56 : 109,037.43 = 43,202.73 : x
  2. Step 2: Convert to fraction form
    79,012.56/109,037.43 = 43,202.73/x
  3. Step 3: Cross multiply
    79,012.56x = 109,037.43 × 43,202.73
  4. Step 4: Simplify right side
    79,012.56x = 4,710,714,648.18
  5. Step 5: Solve for x
    x = 4,710,714,648.18/79,012.56
  6. Step 6: Final answer
    x = 59,619.82

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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.