Home / 71,979.36-99,327.24-41,762.34

Finding the Fourth Proportional to 71,979.36, 99,327.24 and 41,762.34

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Solution

The fourth proportional to 71,979.36, 99,327.24 and 41,762.34 is: 57,629.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,979.36 : 99,327.24 = 41,762.34 : x
  2. Step 2: Convert to fraction form
    71,979.36/99,327.24 = 41,762.34/x
  3. Step 3: Cross multiply
    71,979.36x = 99,327.24 × 41,762.34
  4. Step 4: Simplify right side
    71,979.36x = 4,148,137,968.14
  5. Step 5: Solve for x
    x = 4,148,137,968.14/71,979.36
  6. Step 6: Final answer
    x = 57,629.55

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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.