Home / 110,728.36-166,150.86-48,442.60

Finding the Fourth Proportional to 110,728.36, 166,150.86 and 48,442.60

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Solution

The fourth proportional to 110,728.36, 166,150.86 and 48,442.60 is: 72,689.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,728.36 : 166,150.86 = 48,442.60 : x
  2. Step 2: Convert to fraction form
    110,728.36/166,150.86 = 48,442.60/x
  3. Step 3: Cross multiply
    110,728.36x = 166,150.86 × 48,442.60
  4. Step 4: Simplify right side
    110,728.36x = 8,048,779,650.64
  5. Step 5: Solve for x
    x = 8,048,779,650.64/110,728.36
  6. Step 6: Final answer
    x = 72,689.41

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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.