Home / 115,660.04-173,371.90-65,634.48

Finding the Fourth Proportional to 115,660.04, 173,371.90 and 65,634.48

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Solution

The fourth proportional to 115,660.04, 173,371.90 and 65,634.48 is: 98,384.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,660.04 : 173,371.90 = 65,634.48 : x
  2. Step 2: Convert to fraction form
    115,660.04/173,371.90 = 65,634.48/x
  3. Step 3: Cross multiply
    115,660.04x = 173,371.90 × 65,634.48
  4. Step 4: Simplify right side
    115,660.04x = 11,379,174,503.11
  5. Step 5: Solve for x
    x = 11,379,174,503.11/115,660.04
  6. Step 6: Final answer
    x = 98,384.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.