Home / 54,221.61-74,851.20-40,797.87

Finding the Fourth Proportional to 54,221.61, 74,851.20 and 40,797.87

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Solution

The fourth proportional to 54,221.61, 74,851.20 and 40,797.87 is: 56,320.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,221.61 : 74,851.20 = 40,797.87 : x
  2. Step 2: Convert to fraction form
    54,221.61/74,851.20 = 40,797.87/x
  3. Step 3: Cross multiply
    54,221.61x = 74,851.20 × 40,797.87
  4. Step 4: Simplify right side
    54,221.61x = 3,053,769,526.94
  5. Step 5: Solve for x
    x = 3,053,769,526.94/54,221.61
  6. Step 6: Final answer
    x = 56,320.16

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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.