Home / 45,347.04-68,021.17-15,765.44

Finding the Fourth Proportional to 45,347.04, 68,021.17 and 15,765.44

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Solution

The fourth proportional to 45,347.04, 68,021.17 and 15,765.44 is: 23,648.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,347.04 : 68,021.17 = 15,765.44 : x
  2. Step 2: Convert to fraction form
    45,347.04/68,021.17 = 15,765.44/x
  3. Step 3: Cross multiply
    45,347.04x = 68,021.17 × 15,765.44
  4. Step 4: Simplify right side
    45,347.04x = 1,072,383,294.85
  5. Step 5: Solve for x
    x = 1,072,383,294.85/45,347.04
  6. Step 6: Final answer
    x = 23,648.36

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1.5x scale

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.