Home / 57,083.79-85,604.45-19,633.35

Finding the Fourth Proportional to 57,083.79, 85,604.45 and 19,633.35

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Solution

The fourth proportional to 57,083.79, 85,604.45 and 19,633.35 is: 29,442.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,083.79 : 85,604.45 = 19,633.35 : x
  2. Step 2: Convert to fraction form
    57,083.79/85,604.45 = 19,633.35/x
  3. Step 3: Cross multiply
    57,083.79x = 85,604.45 × 19,633.35
  4. Step 4: Simplify right side
    57,083.79x = 1,680,702,030.24
  5. Step 5: Solve for x
    x = 1,680,702,030.24/57,083.79
  6. Step 6: Final answer
    x = 29,442.72

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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.