Home / 66,782.32-100,173.26-51,606.97

Finding the Fourth Proportional to 66,782.32, 100,173.26 and 51,606.97

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Solution

The fourth proportional to 66,782.32, 100,173.26 and 51,606.97 is: 77,410.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,782.32 : 100,173.26 = 51,606.97 : x
  2. Step 2: Convert to fraction form
    66,782.32/100,173.26 = 51,606.97/x
  3. Step 3: Cross multiply
    66,782.32x = 100,173.26 × 51,606.97
  4. Step 4: Simplify right side
    66,782.32x = 5,169,638,302.21
  5. Step 5: Solve for x
    x = 5,169,638,302.21/66,782.32
  6. Step 6: Final answer
    x = 77,410.29

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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.