Home / 67,021.16-100,516.34-19,624.01

Finding the Fourth Proportional to 67,021.16, 100,516.34 and 19,624.01

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Solution

The fourth proportional to 67,021.16, 100,516.34 and 19,624.01 is: 29,431.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,021.16 : 100,516.34 = 19,624.01 : x
  2. Step 2: Convert to fraction form
    67,021.16/100,516.34 = 19,624.01/x
  3. Step 3: Cross multiply
    67,021.16x = 100,516.34 × 19,624.01
  4. Step 4: Simplify right side
    67,021.16x = 1,972,533,207.80
  5. Step 5: Solve for x
    x = 1,972,533,207.80/67,021.16
  6. Step 6: Final answer
    x = 29,431.50

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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.