Home / 68,452.02-102,572.20-53,423.51

Finding the Fourth Proportional to 68,452.02, 102,572.20 and 53,423.51

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Solution

The fourth proportional to 68,452.02, 102,572.20 and 53,423.51 is: 80,052.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,452.02 : 102,572.20 = 53,423.51 : x
  2. Step 2: Convert to fraction form
    68,452.02/102,572.20 = 53,423.51/x
  3. Step 3: Cross multiply
    68,452.02x = 102,572.20 × 53,423.51
  4. Step 4: Simplify right side
    68,452.02x = 5,479,766,205.83
  5. Step 5: Solve for x
    x = 5,479,766,205.83/68,452.02
  6. Step 6: Final answer
    x = 80,052.66

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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.