Home / 110,729.36-166,152.36-48,443.60

Finding the Fourth Proportional to 110,729.36, 166,152.36 and 48,443.60

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Solution

The fourth proportional to 110,729.36, 166,152.36 and 48,443.60 is: 72,690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,729.36 : 166,152.36 = 48,443.60 : x
  2. Step 2: Convert to fraction form
    110,729.36/166,152.36 = 48,443.60/x
  3. Step 3: Cross multiply
    110,729.36x = 166,152.36 × 48,443.60
  4. Step 4: Simplify right side
    110,729.36x = 8,049,018,466.90
  5. Step 5: Solve for x
    x = 8,049,018,466.90/110,729.36
  6. Step 6: Final answer
    x = 72,690.91

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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.