Home / 79,232.70-109,338.65-43,422.06

Finding the Fourth Proportional to 79,232.70, 109,338.65 and 43,422.06

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Solution

The fourth proportional to 79,232.70, 109,338.65 and 43,422.06 is: 59,921.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,232.70 : 109,338.65 = 43,422.06 : x
  2. Step 2: Convert to fraction form
    79,232.70/109,338.65 = 43,422.06/x
  3. Step 3: Cross multiply
    79,232.70x = 109,338.65 × 43,422.06
  4. Step 4: Simplify right side
    79,232.70x = 4,747,708,656.82
  5. Step 5: Solve for x
    x = 4,747,708,656.82/79,232.70
  6. Step 6: Final answer
    x = 59,921.08

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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.