Home / 112,267.89-154,925.84-66,922.49

Finding the Fourth Proportional to 112,267.89, 154,925.84 and 66,922.49

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Solution

The fourth proportional to 112,267.89, 154,925.84 and 66,922.49 is: 92,350.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,267.89 : 154,925.84 = 66,922.49 : x
  2. Step 2: Convert to fraction form
    112,267.89/154,925.84 = 66,922.49/x
  3. Step 3: Cross multiply
    112,267.89x = 154,925.84 × 66,922.49
  4. Step 4: Simplify right side
    112,267.89x = 10,368,021,868.90
  5. Step 5: Solve for x
    x = 10,368,021,868.90/112,267.89
  6. Step 6: Final answer
    x = 92,350.73

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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.