Home / 73,973.25-102,083.49-40,439.25

Finding the Fourth Proportional to 73,973.25, 102,083.49 and 40,439.25

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Solution

The fourth proportional to 73,973.25, 102,083.49 and 40,439.25 is: 55,806.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,973.25 : 102,083.49 = 40,439.25 : x
  2. Step 2: Convert to fraction form
    73,973.25/102,083.49 = 40,439.25/x
  3. Step 3: Cross multiply
    73,973.25x = 102,083.49 × 40,439.25
  4. Step 4: Simplify right side
    73,973.25x = 4,128,179,772.98
  5. Step 5: Solve for x
    x = 4,128,179,772.98/73,973.25
  6. Step 6: Final answer
    x = 55,806.39

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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.