Home / 53,972.62-74,487.57-40,336.98

Finding the Fourth Proportional to 53,972.62, 74,487.57 and 40,336.98

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Solution

The fourth proportional to 53,972.62, 74,487.57 and 40,336.98 is: 55,669.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,972.62 : 74,487.57 = 40,336.98 : x
  2. Step 2: Convert to fraction form
    53,972.62/74,487.57 = 40,336.98/x
  3. Step 3: Cross multiply
    53,972.62x = 74,487.57 × 40,336.98
  4. Step 4: Simplify right side
    53,972.62x = 3,004,603,621.34
  5. Step 5: Solve for x
    x = 3,004,603,621.34/53,972.62
  6. Step 6: Final answer
    x = 55,669.03

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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.