Home / 91,922.22-137,883.42-28,742.67

Finding the Fourth Proportional to 91,922.22, 137,883.42 and 28,742.67

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Solution

The fourth proportional to 91,922.22, 137,883.42 and 28,742.67 is: 43,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,922.22 : 137,883.42 = 28,742.67 : x
  2. Step 2: Convert to fraction form
    91,922.22/137,883.42 = 28,742.67/x
  3. Step 3: Cross multiply
    91,922.22x = 137,883.42 × 28,742.67
  4. Step 4: Simplify right side
    91,922.22x = 3,963,137,639.53
  5. Step 5: Solve for x
    x = 3,963,137,639.53/91,922.22
  6. Step 6: Final answer
    x = 43,114.03

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1.5x scale

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.