Home / 81,574.37-112,593.32-55,743.38

Finding the Fourth Proportional to 81,574.37, 112,593.32 and 55,743.38

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Solution

The fourth proportional to 81,574.37, 112,593.32 and 55,743.38 is: 76,940.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,574.37 : 112,593.32 = 55,743.38 : x
  2. Step 2: Convert to fraction form
    81,574.37/112,593.32 = 55,743.38/x
  3. Step 3: Cross multiply
    81,574.37x = 112,593.32 × 55,743.38
  4. Step 4: Simplify right side
    81,574.37x = 6,276,331,659.26
  5. Step 5: Solve for x
    x = 6,276,331,659.26/81,574.37
  6. Step 6: Final answer
    x = 76,940.00

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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.