Home / 45,765.02-68,647.44-30,069.20

Finding the Fourth Proportional to 45,765.02, 68,647.44 and 30,069.20

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Solution

The fourth proportional to 45,765.02, 68,647.44 and 30,069.20 is: 45,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,765.02 : 68,647.44 = 30,069.20 : x
  2. Step 2: Convert to fraction form
    45,765.02/68,647.44 = 30,069.20/x
  3. Step 3: Cross multiply
    45,765.02x = 68,647.44 × 30,069.20
  4. Step 4: Simplify right side
    45,765.02x = 2,064,173,602.85
  5. Step 5: Solve for x
    x = 2,064,173,602.85/45,765.02
  6. Step 6: Final answer
    x = 45,103.74

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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.