Home / 79,437.30-109,624.26-43,628.07

Finding the Fourth Proportional to 79,437.30, 109,624.26 and 43,628.07

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Solution

The fourth proportional to 79,437.30, 109,624.26 and 43,628.07 is: 60,207.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,437.30 : 109,624.26 = 43,628.07 : x
  2. Step 2: Convert to fraction form
    79,437.30/109,624.26 = 43,628.07/x
  3. Step 3: Cross multiply
    79,437.30x = 109,624.26 × 43,628.07
  4. Step 4: Simplify right side
    79,437.30x = 4,782,694,888.98
  5. Step 5: Solve for x
    x = 4,782,694,888.98/79,437.30
  6. Step 6: Final answer
    x = 60,207.17

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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.