Home / 55,207.84-82,792.32-17,766.40

Finding the Fourth Proportional to 55,207.84, 82,792.32 and 17,766.40

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Solution

The fourth proportional to 55,207.84, 82,792.32 and 17,766.40 is: 26,643.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,207.84 : 82,792.32 = 17,766.40 : x
  2. Step 2: Convert to fraction form
    55,207.84/82,792.32 = 17,766.40/x
  3. Step 3: Cross multiply
    55,207.84x = 82,792.32 × 17,766.40
  4. Step 4: Simplify right side
    55,207.84x = 1,470,921,474.05
  5. Step 5: Solve for x
    x = 1,470,921,474.05/55,207.84
  6. Step 6: Final answer
    x = 26,643.34

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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.