Home / 64,204.20-96,209.10-43,403.40

Finding the Fourth Proportional to 64,204.20, 96,209.10 and 43,403.40

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Solution

The fourth proportional to 64,204.20, 96,209.10 and 43,403.40 is: 65,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,204.20 : 96,209.10 = 43,403.40 : x
  2. Step 2: Convert to fraction form
    64,204.20/96,209.10 = 43,403.40/x
  3. Step 3: Cross multiply
    64,204.20x = 96,209.10 × 43,403.40
  4. Step 4: Simplify right side
    64,204.20x = 4,175,802,050.94
  5. Step 5: Solve for x
    x = 4,175,802,050.94/64,204.20
  6. Step 6: Final answer
    x = 65,039.39

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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.