Home / 53,392.74-80,213.67-31,221.70

Finding the Fourth Proportional to 53,392.74, 80,213.67 and 31,221.70

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Solution

The fourth proportional to 53,392.74, 80,213.67 and 31,221.70 is: 46,905.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,392.74 : 80,213.67 = 31,221.70 : x
  2. Step 2: Convert to fraction form
    53,392.74/80,213.67 = 31,221.70/x
  3. Step 3: Cross multiply
    53,392.74x = 80,213.67 × 31,221.70
  4. Step 4: Simplify right side
    53,392.74x = 2,504,407,303.50
  5. Step 5: Solve for x
    x = 2,504,407,303.50/53,392.74
  6. Step 6: Final answer
    x = 46,905.39

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1.5x scale

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.