Home / 69,845.79-96,500.10-48,719.37

Finding the Fourth Proportional to 69,845.79, 96,500.10 and 48,719.37

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Solution

The fourth proportional to 69,845.79, 96,500.10 and 48,719.37 is: 67,311.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,845.79 : 96,500.10 = 48,719.37 : x
  2. Step 2: Convert to fraction form
    69,845.79/96,500.10 = 48,719.37/x
  3. Step 3: Cross multiply
    69,845.79x = 96,500.10 × 48,719.37
  4. Step 4: Simplify right side
    69,845.79x = 4,701,423,594.44
  5. Step 5: Solve for x
    x = 4,701,423,594.44/69,845.79
  6. Step 6: Final answer
    x = 67,311.49

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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.