Home / 71,181.24-106,735.56-23,779.28

Finding the Fourth Proportional to 71,181.24, 106,735.56 and 23,779.28

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Solution

The fourth proportional to 71,181.24, 106,735.56 and 23,779.28 is: 35,656.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,181.24 : 106,735.56 = 23,779.28 : x
  2. Step 2: Convert to fraction form
    71,181.24/106,735.56 = 23,779.28/x
  3. Step 3: Cross multiply
    71,181.24x = 106,735.56 × 23,779.28
  4. Step 4: Simplify right side
    71,181.24x = 2,538,094,767.20
  5. Step 5: Solve for x
    x = 2,538,094,767.20/71,181.24
  6. Step 6: Final answer
    x = 35,656.79

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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.