Home / 64,319.96-88,756.60-36,021.80

Finding the Fourth Proportional to 64,319.96, 88,756.60 and 36,021.80

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Solution

The fourth proportional to 64,319.96, 88,756.60 and 36,021.80 is: 49,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,319.96 : 88,756.60 = 36,021.80 : x
  2. Step 2: Convert to fraction form
    64,319.96/88,756.60 = 36,021.80/x
  3. Step 3: Cross multiply
    64,319.96x = 88,756.60 × 36,021.80
  4. Step 4: Simplify right side
    64,319.96x = 3,197,172,493.88
  5. Step 5: Solve for x
    x = 3,197,172,493.88/64,319.96
  6. Step 6: Final answer
    x = 49,707.31

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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.