Home / 113,311.24-169,986.30-60,706.60

Finding the Fourth Proportional to 113,311.24, 169,986.30 and 60,706.60

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Solution

The fourth proportional to 113,311.24, 169,986.30 and 60,706.60 is: 91,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,311.24 : 169,986.30 = 60,706.60 : x
  2. Step 2: Convert to fraction form
    113,311.24/169,986.30 = 60,706.60/x
  3. Step 3: Cross multiply
    113,311.24x = 169,986.30 × 60,706.60
  4. Step 4: Simplify right side
    113,311.24x = 10,319,290,319.58
  5. Step 5: Solve for x
    x = 10,319,290,319.58/113,311.24
  6. Step 6: Final answer
    x = 91,070.31

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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.