Home / 61,517.16-92,217.42-19,935

Finding the Fourth Proportional to 61,517.16, 92,217.42 and 19,935

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Solution

The fourth proportional to 61,517.16, 92,217.42 and 19,935 is: 29,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,517.16 : 92,217.42 = 19,935 : x
  2. Step 2: Convert to fraction form
    61,517.16/92,217.42 = 19,935/x
  3. Step 3: Cross multiply
    61,517.16x = 92,217.42 × 19,935
  4. Step 4: Simplify right side
    61,517.16x = 1,838,354,267.70
  5. Step 5: Solve for x
    x = 1,838,354,267.70/61,517.16
  6. Step 6: Final answer
    x = 29,883.60

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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.