Home / 63,039.87-87,038.96-39,177.27

Finding the Fourth Proportional to 63,039.87, 87,038.96 and 39,177.27

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Solution

The fourth proportional to 63,039.87, 87,038.96 and 39,177.27 is: 54,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,039.87 : 87,038.96 = 39,177.27 : x
  2. Step 2: Convert to fraction form
    63,039.87/87,038.96 = 39,177.27/x
  3. Step 3: Cross multiply
    63,039.87x = 87,038.96 × 39,177.27
  4. Step 4: Simplify right side
    63,039.87x = 3,409,948,640.55
  5. Step 5: Solve for x
    x = 3,409,948,640.55/63,039.87
  6. Step 6: Final answer
    x = 54,091.94

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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.