Home / 104,835.60-144,722.16-67,131.36

Finding the Fourth Proportional to 104,835.60, 144,722.16 and 67,131.36

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Solution

The fourth proportional to 104,835.60, 144,722.16 and 67,131.36 is: 92,672.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,835.60 : 144,722.16 = 67,131.36 : x
  2. Step 2: Convert to fraction form
    104,835.60/144,722.16 = 67,131.36/x
  3. Step 3: Cross multiply
    104,835.60x = 144,722.16 × 67,131.36
  4. Step 4: Simplify right side
    104,835.60x = 9,715,395,422.94
  5. Step 5: Solve for x
    x = 9,715,395,422.94/104,835.60
  6. Step 6: Final answer
    x = 92,672.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.