Home / 53,728.44-74,145.18-29,857.44

Finding the Fourth Proportional to 53,728.44, 74,145.18 and 29,857.44

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Solution

The fourth proportional to 53,728.44, 74,145.18 and 29,857.44 is: 41,203.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,728.44 : 74,145.18 = 29,857.44 : x
  2. Step 2: Convert to fraction form
    53,728.44/74,145.18 = 29,857.44/x
  3. Step 3: Cross multiply
    53,728.44x = 74,145.18 × 29,857.44
  4. Step 4: Simplify right side
    53,728.44x = 2,213,785,263.14
  5. Step 5: Solve for x
    x = 2,213,785,263.14/53,728.44
  6. Step 6: Final answer
    x = 41,203.23

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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.