Home / 68,240.10-102,214.35-56,576.10

Finding the Fourth Proportional to 68,240.10, 102,214.35 and 56,576.10

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Solution

The fourth proportional to 68,240.10, 102,214.35 and 56,576.10 is: 84,743.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,240.10 : 102,214.35 = 56,576.10 : x
  2. Step 2: Convert to fraction form
    68,240.10/102,214.35 = 56,576.10/x
  3. Step 3: Cross multiply
    68,240.10x = 102,214.35 × 56,576.10
  4. Step 4: Simplify right side
    68,240.10x = 5,782,889,287.04
  5. Step 5: Solve for x
    x = 5,782,889,287.04/68,240.10
  6. Step 6: Final answer
    x = 84,743.27

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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.