Home / 79,133.07-109,205.01-43,322.52

Finding the Fourth Proportional to 79,133.07, 109,205.01 and 43,322.52

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Solution

The fourth proportional to 79,133.07, 109,205.01 and 43,322.52 is: 59,785.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,133.07 : 109,205.01 = 43,322.52 : x
  2. Step 2: Convert to fraction form
    79,133.07/109,205.01 = 43,322.52/x
  3. Step 3: Cross multiply
    79,133.07x = 109,205.01 × 43,322.52
  4. Step 4: Simplify right side
    79,133.07x = 4,731,036,229.83
  5. Step 5: Solve for x
    x = 4,731,036,229.83/79,133.07
  6. Step 6: Final answer
    x = 59,785.83

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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.