Home / 69,064.32-103,771.60-64,420.56

Finding the Fourth Proportional to 69,064.32, 103,771.60 and 64,420.56

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Solution

The fourth proportional to 69,064.32, 103,771.60 and 64,420.56 is: 96,794.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,064.32 : 103,771.60 = 64,420.56 : x
  2. Step 2: Convert to fraction form
    69,064.32/103,771.60 = 64,420.56/x
  3. Step 3: Cross multiply
    69,064.32x = 103,771.60 × 64,420.56
  4. Step 4: Simplify right side
    69,064.32x = 6,685,024,584.10
  5. Step 5: Solve for x
    x = 6,685,024,584.10/69,064.32
  6. Step 6: Final answer
    x = 96,794.19

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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.