Home / 48,815.88-67,355.04-31,818.60

Finding the Fourth Proportional to 48,815.88, 67,355.04 and 31,818.60

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Solution

The fourth proportional to 48,815.88, 67,355.04 and 31,818.60 is: 43,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,815.88 : 67,355.04 = 31,818.60 : x
  2. Step 2: Convert to fraction form
    48,815.88/67,355.04 = 31,818.60/x
  3. Step 3: Cross multiply
    48,815.88x = 67,355.04 × 31,818.60
  4. Step 4: Simplify right side
    48,815.88x = 2,143,143,075.74
  5. Step 5: Solve for x
    x = 2,143,143,075.74/48,815.88
  6. Step 6: Final answer
    x = 43,902.58

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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.