Home / 81,932.59-113,077.74-46,129.60

Finding the Fourth Proportional to 81,932.59, 113,077.74 and 46,129.60

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Solution

The fourth proportional to 81,932.59, 113,077.74 and 46,129.60 is: 63,664.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,932.59 : 113,077.74 = 46,129.60 : x
  2. Step 2: Convert to fraction form
    81,932.59/113,077.74 = 46,129.60/x
  3. Step 3: Cross multiply
    81,932.59x = 113,077.74 × 46,129.60
  4. Step 4: Simplify right side
    81,932.59x = 5,216,230,915.10
  5. Step 5: Solve for x
    x = 5,216,230,915.10/81,932.59
  6. Step 6: Final answer
    x = 63,664.91

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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.