Home / 63,156.06-87,155.42-34,861.73

Finding the Fourth Proportional to 63,156.06, 87,155.42 and 34,861.73

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Solution

The fourth proportional to 63,156.06, 87,155.42 and 34,861.73 is: 48,109.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,156.06 : 87,155.42 = 34,861.73 : x
  2. Step 2: Convert to fraction form
    63,156.06/87,155.42 = 34,861.73/x
  3. Step 3: Cross multiply
    63,156.06x = 87,155.42 × 34,861.73
  4. Step 4: Simplify right side
    63,156.06x = 3,038,388,109.99
  5. Step 5: Solve for x
    x = 3,038,388,109.99/63,156.06
  6. Step 6: Final answer
    x = 48,109.21

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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.