Home / 112,257.36-154,914.84-61,956

Finding the Fourth Proportional to 112,257.36, 154,914.84 and 61,956

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Solution

The fourth proportional to 112,257.36, 154,914.84 and 61,956 is: 85,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,257.36 : 154,914.84 = 61,956 : x
  2. Step 2: Convert to fraction form
    112,257.36/154,914.84 = 61,956/x
  3. Step 3: Cross multiply
    112,257.36x = 154,914.84 × 61,956
  4. Step 4: Simplify right side
    112,257.36x = 9,597,903,827.04
  5. Step 5: Solve for x
    x = 9,597,903,827.04/112,257.36
  6. Step 6: Final answer
    x = 85,499.11

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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.