Home / 97,576.88-134,658.76-55,134.56

Finding the Fourth Proportional to 97,576.88, 134,658.76 and 55,134.56

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Solution

The fourth proportional to 97,576.88, 134,658.76 and 55,134.56 is: 76,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,576.88 : 134,658.76 = 55,134.56 : x
  2. Step 2: Convert to fraction form
    97,576.88/134,658.76 = 55,134.56/x
  3. Step 3: Cross multiply
    97,576.88x = 134,658.76 × 55,134.56
  4. Step 4: Simplify right side
    97,576.88x = 7,424,351,482.75
  5. Step 5: Solve for x
    x = 7,424,351,482.75/97,576.88
  6. Step 6: Final answer
    x = 76,087.20

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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.