Home / 55,787.37-83,690.28-27,708.36

Finding the Fourth Proportional to 55,787.37, 83,690.28 and 27,708.36

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Solution

The fourth proportional to 55,787.37, 83,690.28 and 27,708.36 is: 41,567.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,787.37 : 83,690.28 = 27,708.36 : x
  2. Step 2: Convert to fraction form
    55,787.37/83,690.28 = 27,708.36/x
  3. Step 3: Cross multiply
    55,787.37x = 83,690.28 × 27,708.36
  4. Step 4: Simplify right side
    55,787.37x = 2,318,920,406.74
  5. Step 5: Solve for x
    x = 2,318,920,406.74/55,787.37
  6. Step 6: Final answer
    x = 41,567.12

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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.