Home / 112,211.41-154,857.67-64,467.85

Finding the Fourth Proportional to 112,211.41, 154,857.67 and 64,467.85

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Solution

The fourth proportional to 112,211.41, 154,857.67 and 64,467.85 is: 88,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,211.41 : 154,857.67 = 64,467.85 : x
  2. Step 2: Convert to fraction form
    112,211.41/154,857.67 = 64,467.85/x
  3. Step 3: Cross multiply
    112,211.41x = 154,857.67 × 64,467.85
  4. Step 4: Simplify right side
    112,211.41x = 9,983,341,040.91
  5. Step 5: Solve for x
    x = 9,983,341,040.91/112,211.41
  6. Step 6: Final answer
    x = 88,969.04

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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.