Home / 53,311.10-79,915.45-41,458.30

Finding the Fourth Proportional to 53,311.10, 79,915.45 and 41,458.30

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Solution

The fourth proportional to 53,311.10, 79,915.45 and 41,458.30 is: 62,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,311.10 : 79,915.45 = 41,458.30 : x
  2. Step 2: Convert to fraction form
    53,311.10/79,915.45 = 41,458.30/x
  3. Step 3: Cross multiply
    53,311.10x = 79,915.45 × 41,458.30
  4. Step 4: Simplify right side
    53,311.10x = 3,313,158,700.74
  5. Step 5: Solve for x
    x = 3,313,158,700.74/53,311.10
  6. Step 6: Final answer
    x = 62,147.63

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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.