Home / 74,972.45-103,464.75-40,983.24

Finding the Fourth Proportional to 74,972.45, 103,464.75 and 40,983.24

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Solution

The fourth proportional to 74,972.45, 103,464.75 and 40,983.24 is: 56,558.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,972.45 : 103,464.75 = 40,983.24 : x
  2. Step 2: Convert to fraction form
    74,972.45/103,464.75 = 40,983.24/x
  3. Step 3: Cross multiply
    74,972.45x = 103,464.75 × 40,983.24
  4. Step 4: Simplify right side
    74,972.45x = 4,240,320,446.48
  5. Step 5: Solve for x
    x = 4,240,320,446.48/74,972.45
  6. Step 6: Final answer
    x = 56,558.39

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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.