Home / 53,764.48-74,190.78-29,889.70

Finding the Fourth Proportional to 53,764.48, 74,190.78 and 29,889.70

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Solution

The fourth proportional to 53,764.48, 74,190.78 and 29,889.70 is: 41,245.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,764.48 : 74,190.78 = 29,889.70 : x
  2. Step 2: Convert to fraction form
    53,764.48/74,190.78 = 29,889.70/x
  3. Step 3: Cross multiply
    53,764.48x = 74,190.78 × 29,889.70
  4. Step 4: Simplify right side
    53,764.48x = 2,217,540,156.97
  5. Step 5: Solve for x
    x = 2,217,540,156.97/53,764.48
  6. Step 6: Final answer
    x = 41,245.45

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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.