Home / 86,905.56-119,887.92-51,093.84

Finding the Fourth Proportional to 86,905.56, 119,887.92 and 51,093.84

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Solution

The fourth proportional to 86,905.56, 119,887.92 and 51,093.84 is: 70,484.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,905.56 : 119,887.92 = 51,093.84 : x
  2. Step 2: Convert to fraction form
    86,905.56/119,887.92 = 51,093.84/x
  3. Step 3: Cross multiply
    86,905.56x = 119,887.92 × 51,093.84
  4. Step 4: Simplify right side
    86,905.56x = 6,125,534,202.41
  5. Step 5: Solve for x
    x = 6,125,534,202.41/86,905.56
  6. Step 6: Final answer
    x = 70,484.95

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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.