Home / 109,684.56-151,365.34-59,383.56

Finding the Fourth Proportional to 109,684.56, 151,365.34 and 59,383.56

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Solution

The fourth proportional to 109,684.56, 151,365.34 and 59,383.56 is: 81,949.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,684.56 : 151,365.34 = 59,383.56 : x
  2. Step 2: Convert to fraction form
    109,684.56/151,365.34 = 59,383.56/x
  3. Step 3: Cross multiply
    109,684.56x = 151,365.34 × 59,383.56
  4. Step 4: Simplify right side
    109,684.56x = 8,988,612,749.81
  5. Step 5: Solve for x
    x = 8,988,612,749.81/109,684.56
  6. Step 6: Final answer
    x = 81,949.66

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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.