Home / 115,922.81-173,766.58-65,899.55

Finding the Fourth Proportional to 115,922.81, 173,766.58 and 65,899.55

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Solution

The fourth proportional to 115,922.81, 173,766.58 and 65,899.55 is: 98,782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,922.81 : 173,766.58 = 65,899.55 : x
  2. Step 2: Convert to fraction form
    115,922.81/173,766.58 = 65,899.55/x
  3. Step 3: Cross multiply
    115,922.81x = 173,766.58 × 65,899.55
  4. Step 4: Simplify right side
    115,922.81x = 11,451,139,696.71
  5. Step 5: Solve for x
    x = 11,451,139,696.71/115,922.81
  6. Step 6: Final answer
    x = 98,782.45

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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.