Home / 85,124.36-117,474.42-48,832.04

Finding the Fourth Proportional to 85,124.36, 117,474.42 and 48,832.04

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Solution

The fourth proportional to 85,124.36, 117,474.42 and 48,832.04 is: 67,389.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,124.36 : 117,474.42 = 48,832.04 : x
  2. Step 2: Convert to fraction form
    85,124.36/117,474.42 = 48,832.04/x
  3. Step 3: Cross multiply
    85,124.36x = 117,474.42 × 48,832.04
  4. Step 4: Simplify right side
    85,124.36x = 5,736,515,576.42
  5. Step 5: Solve for x
    x = 5,736,515,576.42/85,124.36
  6. Step 6: Final answer
    x = 67,389.82

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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.