Home / 60,661.36-91,319.60-54,558.07

Finding the Fourth Proportional to 60,661.36, 91,319.60 and 54,558.07

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Solution

The fourth proportional to 60,661.36, 91,319.60 and 54,558.07 is: 82,131.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,661.36 : 91,319.60 = 54,558.07 : x
  2. Step 2: Convert to fraction form
    60,661.36/91,319.60 = 54,558.07/x
  3. Step 3: Cross multiply
    60,661.36x = 91,319.60 × 54,558.07
  4. Step 4: Simplify right side
    60,661.36x = 4,982,220,628.08
  5. Step 5: Solve for x
    x = 4,982,220,628.08/60,661.36
  6. Step 6: Final answer
    x = 82,131.70

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.