Home / 97,579.17-134,659.17-55,137.69

Finding the Fourth Proportional to 97,579.17, 134,659.17 and 55,137.69

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Solution

The fourth proportional to 97,579.17, 134,659.17 and 55,137.69 is: 76,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,579.17 : 134,659.17 = 55,137.69 : x
  2. Step 2: Convert to fraction form
    97,579.17/134,659.17 = 55,137.69/x
  3. Step 3: Cross multiply
    97,579.17x = 134,659.17 × 55,137.69
  4. Step 4: Simplify right side
    97,579.17x = 7,424,795,571.12
  5. Step 5: Solve for x
    x = 7,424,795,571.12/97,579.17
  6. Step 6: Final answer
    x = 76,089.96

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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.