Home / 102,025.48-140,795.94-56,704.36

Finding the Fourth Proportional to 102,025.48, 140,795.94 and 56,704.36

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Solution

The fourth proportional to 102,025.48, 140,795.94 and 56,704.36 is: 78,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,025.48 : 140,795.94 = 56,704.36 : x
  2. Step 2: Convert to fraction form
    102,025.48/140,795.94 = 56,704.36/x
  3. Step 3: Cross multiply
    102,025.48x = 140,795.94 × 56,704.36
  4. Step 4: Simplify right side
    102,025.48x = 7,983,743,668.30
  5. Step 5: Solve for x
    x = 7,983,743,668.30/102,025.48
  6. Step 6: Final answer
    x = 78,252.45

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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.