Home / 74,477.37-102,821.20-49,057.60

Finding the Fourth Proportional to 74,477.37, 102,821.20 and 49,057.60

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Solution

The fourth proportional to 74,477.37, 102,821.20 and 49,057.60 is: 67,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,477.37 : 102,821.20 = 49,057.60 : x
  2. Step 2: Convert to fraction form
    74,477.37/102,821.20 = 49,057.60/x
  3. Step 3: Cross multiply
    74,477.37x = 102,821.20 × 49,057.60
  4. Step 4: Simplify right side
    74,477.37x = 5,044,161,114.21
  5. Step 5: Solve for x
    x = 5,044,161,114.21/74,477.37
  6. Step 6: Final answer
    x = 67,727.43

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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.