Home / 117,554.24-162,261.68-75,112.67

Finding the Fourth Proportional to 117,554.24, 162,261.68 and 75,112.67

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Solution

The fourth proportional to 117,554.24, 162,261.68 and 75,112.67 is: 103,679.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,554.24 : 162,261.68 = 75,112.67 : x
  2. Step 2: Convert to fraction form
    117,554.24/162,261.68 = 75,112.67/x
  3. Step 3: Cross multiply
    117,554.24x = 162,261.68 × 75,112.67
  4. Step 4: Simplify right side
    117,554.24x = 12,187,906,836.61
  5. Step 5: Solve for x
    x = 12,187,906,836.61/117,554.24
  6. Step 6: Final answer
    x = 103,679.01

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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.