Home / 79,742.10-119,613.15-35,455.35

Finding the Fourth Proportional to 79,742.10, 119,613.15 and 35,455.35

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Solution

The fourth proportional to 79,742.10, 119,613.15 and 35,455.35 is: 53,183.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,742.10 : 119,613.15 = 35,455.35 : x
  2. Step 2: Convert to fraction form
    79,742.10/119,613.15 = 35,455.35/x
  3. Step 3: Cross multiply
    79,742.10x = 119,613.15 × 35,455.35
  4. Step 4: Simplify right side
    79,742.10x = 4,240,926,097.85
  5. Step 5: Solve for x
    x = 4,240,926,097.85/79,742.10
  6. Step 6: Final answer
    x = 53,183.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.