Home / 63,025.18-86,970.80-36,169.90

Finding the Fourth Proportional to 63,025.18, 86,970.80 and 36,169.90

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Solution

The fourth proportional to 63,025.18, 86,970.80 and 36,169.90 is: 49,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,025.18 : 86,970.80 = 36,169.90 : x
  2. Step 2: Convert to fraction form
    63,025.18/86,970.80 = 36,169.90/x
  3. Step 3: Cross multiply
    63,025.18x = 86,970.80 × 36,169.90
  4. Step 4: Simplify right side
    63,025.18x = 3,145,725,138.92
  5. Step 5: Solve for x
    x = 3,145,725,138.92/63,025.18
  6. Step 6: Final answer
    x = 49,912.20

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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.