Home / 81,968.60-113,127.36-46,165.52

Finding the Fourth Proportional to 81,968.60, 113,127.36 and 46,165.52

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Solution

The fourth proportional to 81,968.60, 113,127.36 and 46,165.52 is: 63,714.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,968.60 : 113,127.36 = 46,165.52 : x
  2. Step 2: Convert to fraction form
    81,968.60/113,127.36 = 46,165.52/x
  3. Step 3: Cross multiply
    81,968.60x = 113,127.36 × 46,165.52
  4. Step 4: Simplify right side
    81,968.60x = 5,222,583,400.63
  5. Step 5: Solve for x
    x = 5,222,583,400.63/81,968.60
  6. Step 6: Final answer
    x = 63,714.44

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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.