Home / 123,496.06-170,424.74-66,907.43

Finding the Fourth Proportional to 123,496.06, 170,424.74 and 66,907.43

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Solution

The fourth proportional to 123,496.06, 170,424.74 and 66,907.43 is: 92,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,496.06 : 170,424.74 = 66,907.43 : x
  2. Step 2: Convert to fraction form
    123,496.06/170,424.74 = 66,907.43/x
  3. Step 3: Cross multiply
    123,496.06x = 170,424.74 × 66,907.43
  4. Step 4: Simplify right side
    123,496.06x = 11,402,681,361.82
  5. Step 5: Solve for x
    x = 11,402,681,361.82/123,496.06
  6. Step 6: Final answer
    x = 92,332.35

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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.