Home / 123,968.16-171,075.04-67,379.36

Finding the Fourth Proportional to 123,968.16, 171,075.04 and 67,379.36

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Solution

The fourth proportional to 123,968.16, 171,075.04 and 67,379.36 is: 92,982.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,968.16 : 171,075.04 = 67,379.36 : x
  2. Step 2: Convert to fraction form
    123,968.16/171,075.04 = 67,379.36/x
  3. Step 3: Cross multiply
    123,968.16x = 171,075.04 × 67,379.36
  4. Step 4: Simplify right side
    123,968.16x = 11,526,926,707.17
  5. Step 5: Solve for x
    x = 11,526,926,707.17/123,968.16
  6. Step 6: Final answer
    x = 92,982.96

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1.5x scale

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.