Home / 97,579.88-134,668.16-55,147.24

Finding the Fourth Proportional to 97,579.88, 134,668.16 and 55,147.24

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Solution

The fourth proportional to 97,579.88, 134,668.16 and 55,147.24 is: 76,107.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,579.88 : 134,668.16 = 55,147.24 : x
  2. Step 2: Convert to fraction form
    97,579.88/134,668.16 = 55,147.24/x
  3. Step 3: Cross multiply
    97,579.88x = 134,668.16 × 55,147.24
  4. Step 4: Simplify right side
    97,579.88x = 7,426,577,339.88
  5. Step 5: Solve for x
    x = 7,426,577,339.88/97,579.88
  6. Step 6: Final answer
    x = 76,107.67

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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.