Home / 79,370.74-109,532.91-43,564.08

Finding the Fourth Proportional to 79,370.74, 109,532.91 and 43,564.08

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Solution

The fourth proportional to 79,370.74, 109,532.91 and 43,564.08 is: 60,119.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,370.74 : 109,532.91 = 43,564.08 : x
  2. Step 2: Convert to fraction form
    79,370.74/109,532.91 = 43,564.08/x
  3. Step 3: Cross multiply
    79,370.74x = 109,532.91 × 43,564.08
  4. Step 4: Simplify right side
    79,370.74x = 4,771,700,453.87
  5. Step 5: Solve for x
    x = 4,771,700,453.87/79,370.74
  6. Step 6: Final answer
    x = 60,119.14

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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.