Home / 57,095.18-85,644.64-19,654.85

Finding the Fourth Proportional to 57,095.18, 85,644.64 and 19,654.85

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Solution

The fourth proportional to 57,095.18, 85,644.64 and 19,654.85 is: 29,482.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,095.18 : 85,644.64 = 19,654.85 : x
  2. Step 2: Convert to fraction form
    57,095.18/85,644.64 = 19,654.85/x
  3. Step 3: Cross multiply
    57,095.18x = 85,644.64 × 19,654.85
  4. Step 4: Simplify right side
    57,095.18x = 1,683,332,791.18
  5. Step 5: Solve for x
    x = 1,683,332,791.18/57,095.18
  6. Step 6: Final answer
    x = 29,482.92

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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.