Home / 113,137.75-169,728.46-43,011.60

Finding the Fourth Proportional to 113,137.75, 169,728.46 and 43,011.60

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Solution

The fourth proportional to 113,137.75, 169,728.46 and 43,011.60 is: 64,525.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,137.75 : 169,728.46 = 43,011.60 : x
  2. Step 2: Convert to fraction form
    113,137.75/169,728.46 = 43,011.60/x
  3. Step 3: Cross multiply
    113,137.75x = 169,728.46 × 43,011.60
  4. Step 4: Simplify right side
    113,137.75x = 7,300,291,781.49
  5. Step 5: Solve for x
    x = 7,300,291,781.49/113,137.75
  6. Step 6: Final answer
    x = 64,525.69

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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.