Home / 55,359.19-82,987.80-22,071.25

Finding the Fourth Proportional to 55,359.19, 82,987.80 and 22,071.25

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Solution

The fourth proportional to 55,359.19, 82,987.80 and 22,071.25 is: 33,086.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,359.19 : 82,987.80 = 22,071.25 : x
  2. Step 2: Convert to fraction form
    55,359.19/82,987.80 = 22,071.25/x
  3. Step 3: Cross multiply
    55,359.19x = 82,987.80 × 22,071.25
  4. Step 4: Simplify right side
    55,359.19x = 1,831,644,480.75
  5. Step 5: Solve for x
    x = 1,831,644,480.75/55,359.19
  6. Step 6: Final answer
    x = 33,086.55

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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.