Home / 61,975.10-92,853.30-50,821.40

Finding the Fourth Proportional to 61,975.10, 92,853.30 and 50,821.40

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Solution

The fourth proportional to 61,975.10, 92,853.30 and 50,821.40 is: 76,142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,975.10 : 92,853.30 = 50,821.40 : x
  2. Step 2: Convert to fraction form
    61,975.10/92,853.30 = 50,821.40/x
  3. Step 3: Cross multiply
    61,975.10x = 92,853.30 × 50,821.40
  4. Step 4: Simplify right side
    61,975.10x = 4,718,934,700.62
  5. Step 5: Solve for x
    x = 4,718,934,700.62/61,975.10
  6. Step 6: Final answer
    x = 76,142.43

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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.