Home / 79,668.34-119,576.36-40,253.16

Finding the Fourth Proportional to 79,668.34, 119,576.36 and 40,253.16

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Solution

The fourth proportional to 79,668.34, 119,576.36 and 40,253.16 is: 60,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,668.34 : 119,576.36 = 40,253.16 : x
  2. Step 2: Convert to fraction form
    79,668.34/119,576.36 = 40,253.16/x
  3. Step 3: Cross multiply
    79,668.34x = 119,576.36 × 40,253.16
  4. Step 4: Simplify right side
    79,668.34x = 4,813,326,351.30
  5. Step 5: Solve for x
    x = 4,813,326,351.30/79,668.34
  6. Step 6: Final answer
    x = 60,417.05

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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.