Home / 56,495.06-77,963.26-31,344.56

Finding the Fourth Proportional to 56,495.06, 77,963.26 and 31,344.56

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Solution

The fourth proportional to 56,495.06, 77,963.26 and 31,344.56 is: 43,255.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,495.06 : 77,963.26 = 31,344.56 : x
  2. Step 2: Convert to fraction form
    56,495.06/77,963.26 = 31,344.56/x
  3. Step 3: Cross multiply
    56,495.06x = 77,963.26 × 31,344.56
  4. Step 4: Simplify right side
    56,495.06x = 2,443,724,080.87
  5. Step 5: Solve for x
    x = 2,443,724,080.87/56,495.06
  6. Step 6: Final answer
    x = 43,255.54

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1.5x scale

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.