Home / 72,918.38-100,616.42-41,086.59

Finding the Fourth Proportional to 72,918.38, 100,616.42 and 41,086.59

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Solution

The fourth proportional to 72,918.38, 100,616.42 and 41,086.59 is: 56,693.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,918.38 : 100,616.42 = 41,086.59 : x
  2. Step 2: Convert to fraction form
    72,918.38/100,616.42 = 41,086.59/x
  3. Step 3: Cross multiply
    72,918.38x = 100,616.42 × 41,086.59
  4. Step 4: Simplify right side
    72,918.38x = 4,133,985,390.37
  5. Step 5: Solve for x
    x = 4,133,985,390.37/72,918.38
  6. Step 6: Final answer
    x = 56,693.33

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1.5x scale

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.