Home / 79,036.70-109,069.27-43,225.92

Finding the Fourth Proportional to 79,036.70, 109,069.27 and 43,225.92

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Solution

The fourth proportional to 79,036.70, 109,069.27 and 43,225.92 is: 59,651.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,036.70 : 109,069.27 = 43,225.92 : x
  2. Step 2: Convert to fraction form
    79,036.70/109,069.27 = 43,225.92/x
  3. Step 3: Cross multiply
    79,036.70x = 109,069.27 × 43,225.92
  4. Step 4: Simplify right side
    79,036.70x = 4,714,619,431.41
  5. Step 5: Solve for x
    x = 4,714,619,431.41/79,036.70
  6. Step 6: Final answer
    x = 59,651.02

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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.