Home / 97,912.56-135,131.58-55,484.76

Finding the Fourth Proportional to 97,912.56, 135,131.58 and 55,484.76

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Solution

The fourth proportional to 97,912.56, 135,131.58 and 55,484.76 is: 76,575.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,912.56 : 135,131.58 = 55,484.76 : x
  2. Step 2: Convert to fraction form
    97,912.56/135,131.58 = 55,484.76/x
  3. Step 3: Cross multiply
    97,912.56x = 135,131.58 × 55,484.76
  4. Step 4: Simplify right side
    97,912.56x = 7,497,743,284.72
  5. Step 5: Solve for x
    x = 7,497,743,284.72/97,912.56
  6. Step 6: Final answer
    x = 76,575.91

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1.5x scale

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.