Home / 49,518.24-74,204.16-45,445.44

Finding the Fourth Proportional to 49,518.24, 74,204.16 and 45,445.44

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Solution

The fourth proportional to 49,518.24, 74,204.16 and 45,445.44 is: 68,100.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,518.24 : 74,204.16 = 45,445.44 : x
  2. Step 2: Convert to fraction form
    49,518.24/74,204.16 = 45,445.44/x
  3. Step 3: Cross multiply
    49,518.24x = 74,204.16 × 45,445.44
  4. Step 4: Simplify right side
    49,518.24x = 3,372,240,701.03
  5. Step 5: Solve for x
    x = 3,372,240,701.03/49,518.24
  6. Step 6: Final answer
    x = 68,100.98

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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.