Home / 115,926.96-173,772.78-65,903.67

Finding the Fourth Proportional to 115,926.96, 173,772.78 and 65,903.67

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Solution

The fourth proportional to 115,926.96, 173,772.78 and 65,903.67 is: 98,788.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,926.96 : 173,772.78 = 65,903.67 : x
  2. Step 2: Convert to fraction form
    115,926.96/173,772.78 = 65,903.67/x
  3. Step 3: Cross multiply
    115,926.96x = 173,772.78 × 65,903.67
  4. Step 4: Simplify right side
    115,926.96x = 11,452,263,948.10
  5. Step 5: Solve for x
    x = 11,452,263,948.10/115,926.96
  6. Step 6: Final answer
    x = 98,788.62

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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.