Home / 97,147.05-134,060.31-54,704.67

Finding the Fourth Proportional to 97,147.05, 134,060.31 and 54,704.67

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Solution

The fourth proportional to 97,147.05, 134,060.31 and 54,704.67 is: 75,490.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,147.05 : 134,060.31 = 54,704.67 : x
  2. Step 2: Convert to fraction form
    97,147.05/134,060.31 = 54,704.67/x
  3. Step 3: Cross multiply
    97,147.05x = 134,060.31 × 54,704.67
  4. Step 4: Simplify right side
    97,147.05x = 7,333,725,018.65
  5. Step 5: Solve for x
    x = 7,333,725,018.65/97,147.05
  6. Step 6: Final answer
    x = 75,490.97

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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.