Home / 53,243.12-79,796.83-28,295.12

Finding the Fourth Proportional to 53,243.12, 79,796.83 and 28,295.12

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Solution

The fourth proportional to 53,243.12, 79,796.83 and 28,295.12 is: 42,406.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,243.12 : 79,796.83 = 28,295.12 : x
  2. Step 2: Convert to fraction form
    53,243.12/79,796.83 = 28,295.12/x
  3. Step 3: Cross multiply
    53,243.12x = 79,796.83 × 28,295.12
  4. Step 4: Simplify right side
    53,243.12x = 2,257,860,880.47
  5. Step 5: Solve for x
    x = 2,257,860,880.47/53,243.12
  6. Step 6: Final answer
    x = 42,406.62

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1.5x scale

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.