Home / 53,784.17-74,252.55-40,936.44

Finding the Fourth Proportional to 53,784.17, 74,252.55 and 40,936.44

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Solution

The fourth proportional to 53,784.17, 74,252.55 and 40,936.44 is: 56,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,784.17 : 74,252.55 = 40,936.44 : x
  2. Step 2: Convert to fraction form
    53,784.17/74,252.55 = 40,936.44/x
  3. Step 3: Cross multiply
    53,784.17x = 74,252.55 × 40,936.44
  4. Step 4: Simplify right side
    53,784.17x = 3,039,635,057.92
  5. Step 5: Solve for x
    x = 3,039,635,057.92/53,784.17
  6. Step 6: Final answer
    x = 56,515.43

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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.