Home / 72,268.35-99,727.81-40,004.37

Finding the Fourth Proportional to 72,268.35, 99,727.81 and 40,004.37

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Solution

The fourth proportional to 72,268.35, 99,727.81 and 40,004.37 is: 55,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,268.35 : 99,727.81 = 40,004.37 : x
  2. Step 2: Convert to fraction form
    72,268.35/99,727.81 = 40,004.37/x
  3. Step 3: Cross multiply
    72,268.35x = 99,727.81 × 40,004.37
  4. Step 4: Simplify right side
    72,268.35x = 3,989,548,466.54
  5. Step 5: Solve for x
    x = 3,989,548,466.54/72,268.35
  6. Step 6: Final answer
    x = 55,204.65

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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.