Home / 53,729.51-74,145.24-29,855.57

Finding the Fourth Proportional to 53,729.51, 74,145.24 and 29,855.57

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Solution

The fourth proportional to 53,729.51, 74,145.24 and 29,855.57 is: 41,199.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,729.51 : 74,145.24 = 29,855.57 : x
  2. Step 2: Convert to fraction form
    53,729.51/74,145.24 = 29,855.57/x
  3. Step 3: Cross multiply
    53,729.51x = 74,145.24 × 29,855.57
  4. Step 4: Simplify right side
    53,729.51x = 2,213,648,032.26
  5. Step 5: Solve for x
    x = 2,213,648,032.26/53,729.51
  6. Step 6: Final answer
    x = 41,199.86

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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.