Home / 81,954.74-113,099.64-46,146.08

Finding the Fourth Proportional to 81,954.74, 113,099.64 and 46,146.08

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Solution

The fourth proportional to 81,954.74, 113,099.64 and 46,146.08 is: 63,682.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,954.74 : 113,099.64 = 46,146.08 : x
  2. Step 2: Convert to fraction form
    81,954.74/113,099.64 = 46,146.08/x
  3. Step 3: Cross multiply
    81,954.74x = 113,099.64 × 46,146.08
  4. Step 4: Simplify right side
    81,954.74x = 5,219,105,035.41
  5. Step 5: Solve for x
    x = 5,219,105,035.41/81,954.74
  6. Step 6: Final answer
    x = 63,682.77

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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.