Home / 71,359.02-106,841.70-53,775.54

Finding the Fourth Proportional to 71,359.02, 106,841.70 and 53,775.54

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Solution

The fourth proportional to 71,359.02, 106,841.70 and 53,775.54 is: 80,514.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,359.02 : 106,841.70 = 53,775.54 : x
  2. Step 2: Convert to fraction form
    71,359.02/106,841.70 = 53,775.54/x
  3. Step 3: Cross multiply
    71,359.02x = 106,841.70 × 53,775.54
  4. Step 4: Simplify right side
    71,359.02x = 5,745,470,112.02
  5. Step 5: Solve for x
    x = 5,745,470,112.02/71,359.02
  6. Step 6: Final answer
    x = 80,514.98

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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.