Home / 53,728.62-74,143.98-29,855.22

Finding the Fourth Proportional to 53,728.62, 74,143.98 and 29,855.22

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Solution

The fourth proportional to 53,728.62, 74,143.98 and 29,855.22 is: 41,199.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,728.62 : 74,143.98 = 29,855.22 : x
  2. Step 2: Convert to fraction form
    53,728.62/74,143.98 = 29,855.22/x
  3. Step 3: Cross multiply
    53,728.62x = 74,143.98 × 29,855.22
  4. Step 4: Simplify right side
    53,728.62x = 2,213,584,834.58
  5. Step 5: Solve for x
    x = 2,213,584,834.58/53,728.62
  6. Step 6: Final answer
    x = 41,199.36

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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.