Home / 74,083.36-102,235.29-40,091.84

Finding the Fourth Proportional to 74,083.36, 102,235.29 and 40,091.84

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Solution

The fourth proportional to 74,083.36, 102,235.29 and 40,091.84 is: 55,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,083.36 : 102,235.29 = 40,091.84 : x
  2. Step 2: Convert to fraction form
    74,083.36/102,235.29 = 40,091.84/x
  3. Step 3: Cross multiply
    74,083.36x = 102,235.29 × 40,091.84
  4. Step 4: Simplify right side
    74,083.36x = 4,098,800,436.12
  5. Step 5: Solve for x
    x = 4,098,800,436.12/74,083.36
  6. Step 6: Final answer
    x = 55,326.87

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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.