Home / 53,179.28-79,791.96-28,526.48

Finding the Fourth Proportional to 53,179.28, 79,791.96 and 28,526.48

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Solution

The fourth proportional to 53,179.28, 79,791.96 and 28,526.48 is: 42,802.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,179.28 : 79,791.96 = 28,526.48 : x
  2. Step 2: Convert to fraction form
    53,179.28/79,791.96 = 28,526.48/x
  3. Step 3: Cross multiply
    53,179.28x = 79,791.96 × 28,526.48
  4. Step 4: Simplify right side
    53,179.28x = 2,276,183,751.10
  5. Step 5: Solve for x
    x = 2,276,183,751.10/53,179.28
  6. Step 6: Final answer
    x = 42,802.08

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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.