Home / 53,729.06-74,144.64-29,855.12

Finding the Fourth Proportional to 53,729.06, 74,144.64 and 29,855.12

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Solution

The fourth proportional to 53,729.06, 74,144.64 and 29,855.12 is: 41,199.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,729.06 : 74,144.64 = 29,855.12 : x
  2. Step 2: Convert to fraction form
    53,729.06/74,144.64 = 29,855.12/x
  3. Step 3: Cross multiply
    53,729.06x = 74,144.64 × 29,855.12
  4. Step 4: Simplify right side
    53,729.06x = 2,213,597,124.56
  5. Step 5: Solve for x
    x = 2,213,597,124.56/53,729.06
  6. Step 6: Final answer
    x = 41,199.25

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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.