Home / 138,013.04-206,941.80-48,014.48

Finding the Fourth Proportional to 138,013.04, 206,941.80 and 48,014.48

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Solution

The fourth proportional to 138,013.04, 206,941.80 and 48,014.48 is: 71,994.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,013.04 : 206,941.80 = 48,014.48 : x
  2. Step 2: Convert to fraction form
    138,013.04/206,941.80 = 48,014.48/x
  3. Step 3: Cross multiply
    138,013.04x = 206,941.80 × 48,014.48
  4. Step 4: Simplify right side
    138,013.04x = 9,936,202,917.26
  5. Step 5: Solve for x
    x = 9,936,202,917.26/138,013.04
  6. Step 6: Final answer
    x = 71,994.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.