Home / 79,036.78-109,069.23-43,226.68

Finding the Fourth Proportional to 79,036.78, 109,069.23 and 43,226.68

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Solution

The fourth proportional to 79,036.78, 109,069.23 and 43,226.68 is: 59,651.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,036.78 : 109,069.23 = 43,226.68 : x
  2. Step 2: Convert to fraction form
    79,036.78/109,069.23 = 43,226.68/x
  3. Step 3: Cross multiply
    79,036.78x = 109,069.23 × 43,226.68
  4. Step 4: Simplify right side
    79,036.78x = 4,714,700,703.06
  5. Step 5: Solve for x
    x = 4,714,700,703.06/79,036.78
  6. Step 6: Final answer
    x = 59,651.98

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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.