Home / 115,739.80-173,622-36,835.58

Finding the Fourth Proportional to 115,739.80, 173,622 and 36,835.58

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Solution

The fourth proportional to 115,739.80, 173,622 and 36,835.58 is: 55,257.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,739.80 : 173,622 = 36,835.58 : x
  2. Step 2: Convert to fraction form
    115,739.80/173,622 = 36,835.58/x
  3. Step 3: Cross multiply
    115,739.80x = 173,622 × 36,835.58
  4. Step 4: Simplify right side
    115,739.80x = 6,395,467,070.76
  5. Step 5: Solve for x
    x = 6,395,467,070.76/115,739.80
  6. Step 6: Final answer
    x = 55,257.28

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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.