Home / 53,728.64-74,142.12-29,853.92

Finding the Fourth Proportional to 53,728.64, 74,142.12 and 29,853.92

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Solution

The fourth proportional to 53,728.64, 74,142.12 and 29,853.92 is: 41,196.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,728.64 : 74,142.12 = 29,853.92 : x
  2. Step 2: Convert to fraction form
    53,728.64/74,142.12 = 29,853.92/x
  3. Step 3: Cross multiply
    53,728.64x = 74,142.12 × 29,853.92
  4. Step 4: Simplify right side
    53,728.64x = 2,213,432,919.11
  5. Step 5: Solve for x
    x = 2,213,432,919.11/53,728.64
  6. Step 6: Final answer
    x = 41,196.52

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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.