Home / 69,853.10-104,272.50-64,649.12

Finding the Fourth Proportional to 69,853.10, 104,272.50 and 64,649.12

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Solution

The fourth proportional to 69,853.10, 104,272.50 and 64,649.12 is: 96,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,853.10 : 104,272.50 = 64,649.12 : x
  2. Step 2: Convert to fraction form
    69,853.10/104,272.50 = 64,649.12/x
  3. Step 3: Cross multiply
    69,853.10x = 104,272.50 × 64,649.12
  4. Step 4: Simplify right side
    69,853.10x = 6,741,125,086.27
  5. Step 5: Solve for x
    x = 6,741,125,086.27/69,853.10
  6. Step 6: Final answer
    x = 96,504.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.