Home / 88,799.12-122,544.60-51,075.80

Finding the Fourth Proportional to 88,799.12, 122,544.60 and 51,075.80

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Solution

The fourth proportional to 88,799.12, 122,544.60 and 51,075.80 is: 70,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,799.12 : 122,544.60 = 51,075.80 : x
  2. Step 2: Convert to fraction form
    88,799.12/122,544.60 = 51,075.80/x
  3. Step 3: Cross multiply
    88,799.12x = 122,544.60 × 51,075.80
  4. Step 4: Simplify right side
    88,799.12x = 6,259,063,480.68
  5. Step 5: Solve for x
    x = 6,259,063,480.68/88,799.12
  6. Step 6: Final answer
    x = 70,485.65

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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.