Home / 64,122.21-96,184.95-30,380.32

Finding the Fourth Proportional to 64,122.21, 96,184.95 and 30,380.32

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Solution

The fourth proportional to 64,122.21, 96,184.95 and 30,380.32 is: 45,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,122.21 : 96,184.95 = 30,380.32 : x
  2. Step 2: Convert to fraction form
    64,122.21/96,184.95 = 30,380.32/x
  3. Step 3: Cross multiply
    64,122.21x = 96,184.95 × 30,380.32
  4. Step 4: Simplify right side
    64,122.21x = 2,922,129,560.18
  5. Step 5: Solve for x
    x = 2,922,129,560.18/64,122.21
  6. Step 6: Final answer
    x = 45,571.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.