Home / 63,141.28-87,132.42-34,846.60

Finding the Fourth Proportional to 63,141.28, 87,132.42 and 34,846.60

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Solution

The fourth proportional to 63,141.28, 87,132.42 and 34,846.60 is: 48,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,141.28 : 87,132.42 = 34,846.60 : x
  2. Step 2: Convert to fraction form
    63,141.28/87,132.42 = 34,846.60/x
  3. Step 3: Cross multiply
    63,141.28x = 87,132.42 × 34,846.60
  4. Step 4: Simplify right side
    63,141.28x = 3,036,268,586.77
  5. Step 5: Solve for x
    x = 3,036,268,586.77/63,141.28
  6. Step 6: Final answer
    x = 48,086.90

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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.