Home / 79,357.22-109,513.01-47,544.57

Finding the Fourth Proportional to 79,357.22, 109,513.01 and 47,544.57

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Solution

The fourth proportional to 79,357.22, 109,513.01 and 47,544.57 is: 65,611.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,357.22 : 109,513.01 = 47,544.57 : x
  2. Step 2: Convert to fraction form
    79,357.22/109,513.01 = 47,544.57/x
  3. Step 3: Cross multiply
    79,357.22x = 109,513.01 × 47,544.57
  4. Step 4: Simplify right side
    79,357.22x = 5,206,749,088.72
  5. Step 5: Solve for x
    x = 5,206,749,088.72/79,357.22
  6. Step 6: Final answer
    x = 65,611.54

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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.