Home / 91,683.22-126,522.06-51,396.86

Finding the Fourth Proportional to 91,683.22, 126,522.06 and 51,396.86

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Solution

The fourth proportional to 91,683.22, 126,522.06 and 51,396.86 is: 70,927.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,683.22 : 126,522.06 = 51,396.86 : x
  2. Step 2: Convert to fraction form
    91,683.22/126,522.06 = 51,396.86/x
  3. Step 3: Cross multiply
    91,683.22x = 126,522.06 × 51,396.86
  4. Step 4: Simplify right side
    91,683.22x = 6,502,836,604.73
  5. Step 5: Solve for x
    x = 6,502,836,604.73/91,683.22
  6. Step 6: Final answer
    x = 70,927.23

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1.5x scale

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.