Home / 55,535.04-76,619.37-31,644.49

Finding the Fourth Proportional to 55,535.04, 76,619.37 and 31,644.49

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Solution

The fourth proportional to 55,535.04, 76,619.37 and 31,644.49 is: 43,658.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,535.04 : 76,619.37 = 31,644.49 : x
  2. Step 2: Convert to fraction form
    55,535.04/76,619.37 = 31,644.49/x
  3. Step 3: Cross multiply
    55,535.04x = 76,619.37 × 31,644.49
  4. Step 4: Simplify right side
    55,535.04x = 2,424,580,887.77
  5. Step 5: Solve for x
    x = 2,424,580,887.77/55,535.04
  6. Step 6: Final answer
    x = 43,658.58

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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.