Home / 56,285.44-77,674.52-30,791.26

Finding the Fourth Proportional to 56,285.44, 77,674.52 and 30,791.26

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Solution

The fourth proportional to 56,285.44, 77,674.52 and 30,791.26 is: 42,492.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,285.44 : 77,674.52 = 30,791.26 : x
  2. Step 2: Convert to fraction form
    56,285.44/77,674.52 = 30,791.26/x
  3. Step 3: Cross multiply
    56,285.44x = 77,674.52 × 30,791.26
  4. Step 4: Simplify right side
    56,285.44x = 2,391,695,798.37
  5. Step 5: Solve for x
    x = 2,391,695,798.37/56,285.44
  6. Step 6: Final answer
    x = 42,492.27

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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.