Home / 79,575.16-109,813.76-43,767.60

Finding the Fourth Proportional to 79,575.16, 109,813.76 and 43,767.60

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Solution

The fourth proportional to 79,575.16, 109,813.76 and 43,767.60 is: 60,399.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,575.16 : 109,813.76 = 43,767.60 : x
  2. Step 2: Convert to fraction form
    79,575.16/109,813.76 = 43,767.60/x
  3. Step 3: Cross multiply
    79,575.16x = 109,813.76 × 43,767.60
  4. Step 4: Simplify right side
    79,575.16x = 4,806,284,722.18
  5. Step 5: Solve for x
    x = 4,806,284,722.18/79,575.16
  6. Step 6: Final answer
    x = 60,399.31

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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.