Home / 64,819.72-97,190.70-25,329.80

Finding the Fourth Proportional to 64,819.72, 97,190.70 and 25,329.80

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Solution

The fourth proportional to 64,819.72, 97,190.70 and 25,329.80 is: 37,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,819.72 : 97,190.70 = 25,329.80 : x
  2. Step 2: Convert to fraction form
    64,819.72/97,190.70 = 25,329.80/x
  3. Step 3: Cross multiply
    64,819.72x = 97,190.70 × 25,329.80
  4. Step 4: Simplify right side
    64,819.72x = 2,461,820,992.86
  5. Step 5: Solve for x
    x = 2,461,820,992.86/64,819.72
  6. Step 6: Final answer
    x = 37,979.51

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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.