Home / 55,017.81-75,923.40-29,867.31

Finding the Fourth Proportional to 55,017.81, 75,923.40 and 29,867.31

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Solution

The fourth proportional to 55,017.81, 75,923.40 and 29,867.31 is: 41,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,017.81 : 75,923.40 = 29,867.31 : x
  2. Step 2: Convert to fraction form
    55,017.81/75,923.40 = 29,867.31/x
  3. Step 3: Cross multiply
    55,017.81x = 75,923.40 × 29,867.31
  4. Step 4: Simplify right side
    55,017.81x = 2,267,627,724.05
  5. Step 5: Solve for x
    x = 2,267,627,724.05/55,017.81
  6. Step 6: Final answer
    x = 41,216.25

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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.