Home / 91,873.70-126,777.93-51,584.30

Finding the Fourth Proportional to 91,873.70, 126,777.93 and 51,584.30

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Solution

The fourth proportional to 91,873.70, 126,777.93 and 51,584.30 is: 71,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,873.70 : 126,777.93 = 51,584.30 : x
  2. Step 2: Convert to fraction form
    91,873.70/126,777.93 = 51,584.30/x
  3. Step 3: Cross multiply
    91,873.70x = 126,777.93 × 51,584.30
  4. Step 4: Simplify right side
    91,873.70x = 6,539,750,774.50
  5. Step 5: Solve for x
    x = 6,539,750,774.50/91,873.70
  6. Step 6: Final answer
    x = 71,181.97

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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.