Home / 115,933.40-173,669.70-66,627.80

Finding the Fourth Proportional to 115,933.40, 173,669.70 and 66,627.80

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Solution

The fourth proportional to 115,933.40, 173,669.70 and 66,627.80 is: 99,809.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,933.40 : 173,669.70 = 66,627.80 : x
  2. Step 2: Convert to fraction form
    115,933.40/173,669.70 = 66,627.80/x
  3. Step 3: Cross multiply
    115,933.40x = 173,669.70 × 66,627.80
  4. Step 4: Simplify right side
    115,933.40x = 11,571,230,037.66
  5. Step 5: Solve for x
    x = 11,571,230,037.66/115,933.40
  6. Step 6: Final answer
    x = 99,809.29

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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.