Home / 55,881.75-83,825.34-18,445.17

Finding the Fourth Proportional to 55,881.75, 83,825.34 and 18,445.17

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Solution

The fourth proportional to 55,881.75, 83,825.34 and 18,445.17 is: 27,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,881.75 : 83,825.34 = 18,445.17 : x
  2. Step 2: Convert to fraction form
    55,881.75/83,825.34 = 18,445.17/x
  3. Step 3: Cross multiply
    55,881.75x = 83,825.34 × 18,445.17
  4. Step 4: Simplify right side
    55,881.75x = 1,546,172,646.61
  5. Step 5: Solve for x
    x = 1,546,172,646.61/55,881.75
  6. Step 6: Final answer
    x = 27,668.65

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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.