Home / 123,791.15-170,835.89-70,075.06

Finding the Fourth Proportional to 123,791.15, 170,835.89 and 70,075.06

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Solution

The fourth proportional to 123,791.15, 170,835.89 and 70,075.06 is: 96,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,791.15 : 170,835.89 = 70,075.06 : x
  2. Step 2: Convert to fraction form
    123,791.15/170,835.89 = 70,075.06/x
  3. Step 3: Cross multiply
    123,791.15x = 170,835.89 × 70,075.06
  4. Step 4: Simplify right side
    123,791.15x = 11,971,334,464.44
  5. Step 5: Solve for x
    x = 11,971,334,464.44/123,791.15
  6. Step 6: Final answer
    x = 96,705.90

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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.