Home / 85,463.13-117,962.09-49,168.73

Finding the Fourth Proportional to 85,463.13, 117,962.09 and 49,168.73

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Solution

The fourth proportional to 85,463.13, 117,962.09 and 49,168.73 is: 67,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,463.13 : 117,962.09 = 49,168.73 : x
  2. Step 2: Convert to fraction form
    85,463.13/117,962.09 = 49,168.73/x
  3. Step 3: Cross multiply
    85,463.13x = 117,962.09 × 49,168.73
  4. Step 4: Simplify right side
    85,463.13x = 5,800,045,317.79
  5. Step 5: Solve for x
    x = 5,800,045,317.79/85,463.13
  6. Step 6: Final answer
    x = 67,866.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.