Home / 74,078.24-102,227.18-40,085.97

Finding the Fourth Proportional to 74,078.24, 102,227.18 and 40,085.97

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Solution

The fourth proportional to 74,078.24, 102,227.18 and 40,085.97 is: 55,318.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,078.24 : 102,227.18 = 40,085.97 : x
  2. Step 2: Convert to fraction form
    74,078.24/102,227.18 = 40,085.97/x
  3. Step 3: Cross multiply
    74,078.24x = 102,227.18 × 40,085.97
  4. Step 4: Simplify right side
    74,078.24x = 4,097,875,470.23
  5. Step 5: Solve for x
    x = 4,097,875,470.23/74,078.24
  6. Step 6: Final answer
    x = 55,318.21

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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.