Home / 54,710.02-81,917-28,359.37

Finding the Fourth Proportional to 54,710.02, 81,917 and 28,359.37

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Solution

The fourth proportional to 54,710.02, 81,917 and 28,359.37 is: 42,462.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,710.02 : 81,917 = 28,359.37 : x
  2. Step 2: Convert to fraction form
    54,710.02/81,917 = 28,359.37/x
  3. Step 3: Cross multiply
    54,710.02x = 81,917 × 28,359.37
  4. Step 4: Simplify right side
    54,710.02x = 2,323,114,512.29
  5. Step 5: Solve for x
    x = 2,323,114,512.29/54,710.02
  6. Step 6: Final answer
    x = 42,462.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.