Home / 88,704.08-122,415.24-48,420.56

Finding the Fourth Proportional to 88,704.08, 122,415.24 and 48,420.56

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Solution

The fourth proportional to 88,704.08, 122,415.24 and 48,420.56 is: 66,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,704.08 : 122,415.24 = 48,420.56 : x
  2. Step 2: Convert to fraction form
    88,704.08/122,415.24 = 48,420.56/x
  3. Step 3: Cross multiply
    88,704.08x = 122,415.24 × 48,420.56
  4. Step 4: Simplify right side
    88,704.08x = 5,927,414,473.33
  5. Step 5: Solve for x
    x = 5,927,414,473.33/88,704.08
  6. Step 6: Final answer
    x = 66,822.34

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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.