Home / 97,615.37-134,698.11-55,173.80

Finding the Fourth Proportional to 97,615.37, 134,698.11 and 55,173.80

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Solution

The fourth proportional to 97,615.37, 134,698.11 and 55,173.80 is: 76,133.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,615.37 : 134,698.11 = 55,173.80 : x
  2. Step 2: Convert to fraction form
    97,615.37/134,698.11 = 55,173.80/x
  3. Step 3: Cross multiply
    97,615.37x = 134,698.11 × 55,173.80
  4. Step 4: Simplify right side
    97,615.37x = 7,431,806,581.52
  5. Step 5: Solve for x
    x = 7,431,806,581.52/97,615.37
  6. Step 6: Final answer
    x = 76,133.57

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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.