Home / 66,961.36-99,961.70-62,295.76

Finding the Fourth Proportional to 66,961.36, 99,961.70 and 62,295.76

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Solution

The fourth proportional to 66,961.36, 99,961.70 and 62,295.76 is: 92,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,961.36 : 99,961.70 = 62,295.76 : x
  2. Step 2: Convert to fraction form
    66,961.36/99,961.70 = 62,295.76/x
  3. Step 3: Cross multiply
    66,961.36x = 99,961.70 × 62,295.76
  4. Step 4: Simplify right side
    66,961.36x = 6,227,190,072.39
  5. Step 5: Solve for x
    x = 6,227,190,072.39/66,961.36
  6. Step 6: Final answer
    x = 92,996.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.