Home / 121,075.35-167,086.22-67,365.38

Finding the Fourth Proportional to 121,075.35, 167,086.22 and 67,365.38

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Solution

The fourth proportional to 121,075.35, 167,086.22 and 67,365.38 is: 92,965.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,075.35 : 167,086.22 = 67,365.38 : x
  2. Step 2: Convert to fraction form
    121,075.35/167,086.22 = 67,365.38/x
  3. Step 3: Cross multiply
    121,075.35x = 167,086.22 × 67,365.38
  4. Step 4: Simplify right side
    121,075.35x = 11,255,826,703.06
  5. Step 5: Solve for x
    x = 11,255,826,703.06/121,075.35
  6. Step 6: Final answer
    x = 92,965.47

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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.