Home / 74,553.55-102,884.91-40,562.44

Finding the Fourth Proportional to 74,553.55, 102,884.91 and 40,562.44

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Solution

The fourth proportional to 74,553.55, 102,884.91 and 40,562.44 is: 55,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,553.55 : 102,884.91 = 40,562.44 : x
  2. Step 2: Convert to fraction form
    74,553.55/102,884.91 = 40,562.44/x
  3. Step 3: Cross multiply
    74,553.55x = 102,884.91 × 40,562.44
  4. Step 4: Simplify right side
    74,553.55x = 4,173,262,988.78
  5. Step 5: Solve for x
    x = 4,173,262,988.78/74,553.55
  6. Step 6: Final answer
    x = 55,976.72

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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.