Home / 120,790.98-166,679.37-70,519.14

Finding the Fourth Proportional to 120,790.98, 166,679.37 and 70,519.14

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Solution

The fourth proportional to 120,790.98, 166,679.37 and 70,519.14 is: 97,309.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,790.98 : 166,679.37 = 70,519.14 : x
  2. Step 2: Convert to fraction form
    120,790.98/166,679.37 = 70,519.14/x
  3. Step 3: Cross multiply
    120,790.98x = 166,679.37 × 70,519.14
  4. Step 4: Simplify right side
    120,790.98x = 11,754,085,828.14
  5. Step 5: Solve for x
    x = 11,754,085,828.14/120,790.98
  6. Step 6: Final answer
    x = 97,309.30

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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.