Home / 79,319.10-109,461.04-43,509.26

Finding the Fourth Proportional to 79,319.10, 109,461.04 and 43,509.26

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Solution

The fourth proportional to 79,319.10, 109,461.04 and 43,509.26 is: 60,043.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,319.10 : 109,461.04 = 43,509.26 : x
  2. Step 2: Convert to fraction form
    79,319.10/109,461.04 = 43,509.26/x
  3. Step 3: Cross multiply
    79,319.10x = 109,461.04 × 43,509.26
  4. Step 4: Simplify right side
    79,319.10x = 4,762,568,849.23
  5. Step 5: Solve for x
    x = 4,762,568,849.23/79,319.10
  6. Step 6: Final answer
    x = 60,043.15

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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.