Home / 57,084.96-85,606.14-19,634.43

Finding the Fourth Proportional to 57,084.96, 85,606.14 and 19,634.43

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Solution

The fourth proportional to 57,084.96, 85,606.14 and 19,634.43 is: 29,444.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,084.96 : 85,606.14 = 19,634.43 : x
  2. Step 2: Convert to fraction form
    57,084.96/85,606.14 = 19,634.43/x
  3. Step 3: Cross multiply
    57,084.96x = 85,606.14 × 19,634.43
  4. Step 4: Simplify right side
    57,084.96x = 1,680,827,763.40
  5. Step 5: Solve for x
    x = 1,680,827,763.40/57,084.96
  6. Step 6: Final answer
    x = 29,444.32

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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.