Home / 91,873.06-126,783.21-51,587.14

Finding the Fourth Proportional to 91,873.06, 126,783.21 and 51,587.14

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Solution

The fourth proportional to 91,873.06, 126,783.21 and 51,587.14 is: 71,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,873.06 : 126,783.21 = 51,587.14 : x
  2. Step 2: Convert to fraction form
    91,873.06/126,783.21 = 51,587.14/x
  3. Step 3: Cross multiply
    91,873.06x = 126,783.21 × 51,587.14
  4. Step 4: Simplify right side
    91,873.06x = 6,540,383,203.92
  5. Step 5: Solve for x
    x = 6,540,383,203.92/91,873.06
  6. Step 6: Final answer
    x = 71,189.35

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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.