Home / 79,505.04-109,676.52-60,609.36

Finding the Fourth Proportional to 79,505.04, 109,676.52 and 60,609.36

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Solution

The fourth proportional to 79,505.04, 109,676.52 and 60,609.36 is: 83,610.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,505.04 : 109,676.52 = 60,609.36 : x
  2. Step 2: Convert to fraction form
    79,505.04/109,676.52 = 60,609.36/x
  3. Step 3: Cross multiply
    79,505.04x = 109,676.52 × 60,609.36
  4. Step 4: Simplify right side
    79,505.04x = 6,647,423,684.23
  5. Step 5: Solve for x
    x = 6,647,423,684.23/79,505.04
  6. Step 6: Final answer
    x = 83,610.09

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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.