Home / 53,757.63-74,218.74-34,644.15

Finding the Fourth Proportional to 53,757.63, 74,218.74 and 34,644.15

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Solution

The fourth proportional to 53,757.63, 74,218.74 and 34,644.15 is: 47,830.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,757.63 : 74,218.74 = 34,644.15 : x
  2. Step 2: Convert to fraction form
    53,757.63/74,218.74 = 34,644.15/x
  3. Step 3: Cross multiply
    53,757.63x = 74,218.74 × 34,644.15
  4. Step 4: Simplify right side
    53,757.63x = 2,571,245,161.37
  5. Step 5: Solve for x
    x = 2,571,245,161.37/53,757.63
  6. Step 6: Final answer
    x = 47,830.33

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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.