Home / 74,533.82-102,857.01-40,542.44

Finding the Fourth Proportional to 74,533.82, 102,857.01 and 40,542.44

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Solution

The fourth proportional to 74,533.82, 102,857.01 and 40,542.44 is: 55,948.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,533.82 : 102,857.01 = 40,542.44 : x
  2. Step 2: Convert to fraction form
    74,533.82/102,857.01 = 40,542.44/x
  3. Step 3: Cross multiply
    74,533.82x = 102,857.01 × 40,542.44
  4. Step 4: Simplify right side
    74,533.82x = 4,170,074,156.50
  5. Step 5: Solve for x
    x = 4,170,074,156.50/74,533.82
  6. Step 6: Final answer
    x = 55,948.75

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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.