Home / 74,935.03-103,409.13-40,942.79

Finding the Fourth Proportional to 74,935.03, 103,409.13 and 40,942.79

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Solution

The fourth proportional to 74,935.03, 103,409.13 and 40,942.79 is: 56,500.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,935.03 : 103,409.13 = 40,942.79 : x
  2. Step 2: Convert to fraction form
    74,935.03/103,409.13 = 40,942.79/x
  3. Step 3: Cross multiply
    74,935.03x = 103,409.13 × 40,942.79
  4. Step 4: Simplify right side
    74,935.03x = 4,233,858,293.67
  5. Step 5: Solve for x
    x = 4,233,858,293.67/74,935.03
  6. Step 6: Final answer
    x = 56,500.39

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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.