Home / 111,008.21-166,539.63-32,130.41

Finding the Fourth Proportional to 111,008.21, 166,539.63 and 32,130.41

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Solution

The fourth proportional to 111,008.21, 166,539.63 and 32,130.41 is: 48,203.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,008.21 : 166,539.63 = 32,130.41 : x
  2. Step 2: Convert to fraction form
    111,008.21/166,539.63 = 32,130.41/x
  3. Step 3: Cross multiply
    111,008.21x = 166,539.63 × 32,130.41
  4. Step 4: Simplify right side
    111,008.21x = 5,350,985,760.45
  5. Step 5: Solve for x
    x = 5,350,985,760.45/111,008.21
  6. Step 6: Final answer
    x = 48,203.52

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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.