Home / 54,360.91-75,018.86-31,699.27

Finding the Fourth Proportional to 54,360.91, 75,018.86 and 31,699.27

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Solution

The fourth proportional to 54,360.91, 75,018.86 and 31,699.27 is: 43,745.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,360.91 : 75,018.86 = 31,699.27 : x
  2. Step 2: Convert to fraction form
    54,360.91/75,018.86 = 31,699.27/x
  3. Step 3: Cross multiply
    54,360.91x = 75,018.86 × 31,699.27
  4. Step 4: Simplify right side
    54,360.91x = 2,378,043,098.23
  5. Step 5: Solve for x
    x = 2,378,043,098.23/54,360.91
  6. Step 6: Final answer
    x = 43,745.46

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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.