Home / 81,497.48-122,217.06-44,085.20

Finding the Fourth Proportional to 81,497.48, 122,217.06 and 44,085.20

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Solution

The fourth proportional to 81,497.48, 122,217.06 and 44,085.20 is: 66,112.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,497.48 : 122,217.06 = 44,085.20 : x
  2. Step 2: Convert to fraction form
    81,497.48/122,217.06 = 44,085.20/x
  3. Step 3: Cross multiply
    81,497.48x = 122,217.06 × 44,085.20
  4. Step 4: Simplify right side
    81,497.48x = 5,387,963,533.51
  5. Step 5: Solve for x
    x = 5,387,963,533.51/81,497.48
  6. Step 6: Final answer
    x = 66,112.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.