Home / 56,844.75-78,445.76-31,694.25

Finding the Fourth Proportional to 56,844.75, 78,445.76 and 31,694.25

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Solution

The fourth proportional to 56,844.75, 78,445.76 and 31,694.25 is: 43,738.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,844.75 : 78,445.76 = 31,694.25 : x
  2. Step 2: Convert to fraction form
    56,844.75/78,445.76 = 31,694.25/x
  3. Step 3: Cross multiply
    56,844.75x = 78,445.76 × 31,694.25
  4. Step 4: Simplify right side
    56,844.75x = 2,486,279,370.41
  5. Step 5: Solve for x
    x = 2,486,279,370.41/56,844.75
  6. Step 6: Final answer
    x = 43,738.07

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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.