Home / 53,087.85-79,538.22-28,072.62

Finding the Fourth Proportional to 53,087.85, 79,538.22 and 28,072.62

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Solution

The fourth proportional to 53,087.85, 79,538.22 and 28,072.62 is: 42,059.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,087.85 : 79,538.22 = 28,072.62 : x
  2. Step 2: Convert to fraction form
    53,087.85/79,538.22 = 28,072.62/x
  3. Step 3: Cross multiply
    53,087.85x = 79,538.22 × 28,072.62
  4. Step 4: Simplify right side
    53,087.85x = 2,232,846,225.54
  5. Step 5: Solve for x
    x = 2,232,846,225.54/53,087.85
  6. Step 6: Final answer
    x = 42,059.46

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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.