Home / 81,062.48-121,541.08-33,664.56

Finding the Fourth Proportional to 81,062.48, 121,541.08 and 33,664.56

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Solution

The fourth proportional to 81,062.48, 121,541.08 and 33,664.56 is: 50,474.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,062.48 : 121,541.08 = 33,664.56 : x
  2. Step 2: Convert to fraction form
    81,062.48/121,541.08 = 33,664.56/x
  3. Step 3: Cross multiply
    81,062.48x = 121,541.08 × 33,664.56
  4. Step 4: Simplify right side
    81,062.48x = 4,091,626,980.12
  5. Step 5: Solve for x
    x = 4,091,626,980.12/81,062.48
  6. Step 6: Final answer
    x = 50,474.98

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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.