Home / 113,745.04-170,475-87,548.56

Finding the Fourth Proportional to 113,745.04, 170,475 and 87,548.56

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Solution

The fourth proportional to 113,745.04, 170,475 and 87,548.56 is: 131,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,745.04 : 170,475 = 87,548.56 : x
  2. Step 2: Convert to fraction form
    113,745.04/170,475 = 87,548.56/x
  3. Step 3: Cross multiply
    113,745.04x = 170,475 × 87,548.56
  4. Step 4: Simplify right side
    113,745.04x = 14,924,840,766
  5. Step 5: Solve for x
    x = 14,924,840,766/113,745.04
  6. Step 6: Final answer
    x = 131,213.11

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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.