Home / 61,680.96-92,291.94-54,149.02

Finding the Fourth Proportional to 61,680.96, 92,291.94 and 54,149.02

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Solution

The fourth proportional to 61,680.96, 92,291.94 and 54,149.02 is: 81,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,680.96 : 92,291.94 = 54,149.02 : x
  2. Step 2: Convert to fraction form
    61,680.96/92,291.94 = 54,149.02/x
  3. Step 3: Cross multiply
    61,680.96x = 92,291.94 × 54,149.02
  4. Step 4: Simplify right side
    61,680.96x = 4,997,518,104.90
  5. Step 5: Solve for x
    x = 4,997,518,104.90/61,680.96
  6. Step 6: Final answer
    x = 81,022.05

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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.