Home / 55,901.90-83,858.31-20,833.35

Finding the Fourth Proportional to 55,901.90, 83,858.31 and 20,833.35

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Solution

The fourth proportional to 55,901.90, 83,858.31 and 20,833.35 is: 31,252.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,901.90 : 83,858.31 = 20,833.35 : x
  2. Step 2: Convert to fraction form
    55,901.90/83,858.31 = 20,833.35/x
  3. Step 3: Cross multiply
    55,901.90x = 83,858.31 × 20,833.35
  4. Step 4: Simplify right side
    55,901.90x = 1,747,049,522.64
  5. Step 5: Solve for x
    x = 1,747,049,522.64/55,901.90
  6. Step 6: Final answer
    x = 31,252.06

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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.