Home / 123,791.72-170,836.66-70,075.62

Finding the Fourth Proportional to 123,791.72, 170,836.66 and 70,075.62

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Solution

The fourth proportional to 123,791.72, 170,836.66 and 70,075.62 is: 96,706.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,791.72 : 170,836.66 = 70,075.62 : x
  2. Step 2: Convert to fraction form
    123,791.72/170,836.66 = 70,075.62/x
  3. Step 3: Cross multiply
    123,791.72x = 170,836.66 × 70,075.62
  4. Step 4: Simplify right side
    123,791.72x = 11,971,484,955.82
  5. Step 5: Solve for x
    x = 11,971,484,955.82/123,791.72
  6. Step 6: Final answer
    x = 96,706.67

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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.