Home / 117,974.14-162,803.46-64,258.96

Finding the Fourth Proportional to 117,974.14, 162,803.46 and 64,258.96

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Solution

The fourth proportional to 117,974.14, 162,803.46 and 64,258.96 is: 88,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,974.14 : 162,803.46 = 64,258.96 : x
  2. Step 2: Convert to fraction form
    117,974.14/162,803.46 = 64,258.96/x
  3. Step 3: Cross multiply
    117,974.14x = 162,803.46 × 64,258.96
  4. Step 4: Simplify right side
    117,974.14x = 10,461,581,024.00
  5. Step 5: Solve for x
    x = 10,461,581,024.00/117,974.14
  6. Step 6: Final answer
    x = 88,676.90

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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.