Home / 79,453.23-109,661.09-45,004.12

Finding the Fourth Proportional to 79,453.23, 109,661.09 and 45,004.12

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Solution

The fourth proportional to 79,453.23, 109,661.09 and 45,004.12 is: 62,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,453.23 : 109,661.09 = 45,004.12 : x
  2. Step 2: Convert to fraction form
    79,453.23/109,661.09 = 45,004.12/x
  3. Step 3: Cross multiply
    79,453.23x = 109,661.09 × 45,004.12
  4. Step 4: Simplify right side
    79,453.23x = 4,935,200,853.69
  5. Step 5: Solve for x
    x = 4,935,200,853.69/79,453.23
  6. Step 6: Final answer
    x = 62,114.54

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1.5x scale

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.