Home / 74,715.36-103,107.27-40,723.87

Finding the Fourth Proportional to 74,715.36, 103,107.27 and 40,723.87

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Solution

The fourth proportional to 74,715.36, 103,107.27 and 40,723.87 is: 56,198.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,715.36 : 103,107.27 = 40,723.87 : x
  2. Step 2: Convert to fraction form
    74,715.36/103,107.27 = 40,723.87/x
  3. Step 3: Cross multiply
    74,715.36x = 103,107.27 × 40,723.87
  4. Step 4: Simplify right side
    74,715.36x = 4,198,927,059.53
  5. Step 5: Solve for x
    x = 4,198,927,059.53/74,715.36
  6. Step 6: Final answer
    x = 56,198.98

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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.