Home / 56,739.43-78,295.58-31,591.27

Finding the Fourth Proportional to 56,739.43, 78,295.58 and 31,591.27

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Solution

The fourth proportional to 56,739.43, 78,295.58 and 31,591.27 is: 43,593.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,739.43 : 78,295.58 = 31,591.27 : x
  2. Step 2: Convert to fraction form
    56,739.43/78,295.58 = 31,591.27/x
  3. Step 3: Cross multiply
    56,739.43x = 78,295.58 × 31,591.27
  4. Step 4: Simplify right side
    56,739.43x = 2,473,456,649.63
  5. Step 5: Solve for x
    x = 2,473,456,649.63/56,739.43
  6. Step 6: Final answer
    x = 43,593.26

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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.