Home / 61,187.10-91,847.69-48,617.65

Finding the Fourth Proportional to 61,187.10, 91,847.69 and 48,617.65

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Solution

The fourth proportional to 61,187.10, 91,847.69 and 48,617.65 is: 72,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,187.10 : 91,847.69 = 48,617.65 : x
  2. Step 2: Convert to fraction form
    61,187.10/91,847.69 = 48,617.65/x
  3. Step 3: Cross multiply
    61,187.10x = 91,847.69 × 48,617.65
  4. Step 4: Simplify right side
    61,187.10x = 4,465,418,845.73
  5. Step 5: Solve for x
    x = 4,465,418,845.73/61,187.10
  6. Step 6: Final answer
    x = 72,979.74

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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.