Home / 79,437.24-109,624.16-43,628

Finding the Fourth Proportional to 79,437.24, 109,624.16 and 43,628

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Solution

The fourth proportional to 79,437.24, 109,624.16 and 43,628 is: 60,207.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,437.24 : 109,624.16 = 43,628 : x
  2. Step 2: Convert to fraction form
    79,437.24/109,624.16 = 43,628/x
  3. Step 3: Cross multiply
    79,437.24x = 109,624.16 × 43,628
  4. Step 4: Simplify right side
    79,437.24x = 4,782,682,852.48
  5. Step 5: Solve for x
    x = 4,782,682,852.48/79,437.24
  6. Step 6: Final answer
    x = 60,207.06

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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.