Home / 97,100.33-145,658.40-26,979.65

Finding the Fourth Proportional to 97,100.33, 145,658.40 and 26,979.65

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Solution

The fourth proportional to 97,100.33, 145,658.40 and 26,979.65 is: 40,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,100.33 : 145,658.40 = 26,979.65 : x
  2. Step 2: Convert to fraction form
    97,100.33/145,658.40 = 26,979.65/x
  3. Step 3: Cross multiply
    97,100.33x = 145,658.40 × 26,979.65
  4. Step 4: Simplify right side
    97,100.33x = 3,929,812,651.56
  5. Step 5: Solve for x
    x = 3,929,812,651.56/97,100.33
  6. Step 6: Final answer
    x = 40,471.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.