Home / 61,137.80-91,914.06-48,815.24

Finding the Fourth Proportional to 61,137.80, 91,914.06 and 48,815.24

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Solution

The fourth proportional to 61,137.80, 91,914.06 and 48,815.24 is: 73,388.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,137.80 : 91,914.06 = 48,815.24 : x
  2. Step 2: Convert to fraction form
    61,137.80/91,914.06 = 48,815.24/x
  3. Step 3: Cross multiply
    61,137.80x = 91,914.06 × 48,815.24
  4. Step 4: Simplify right side
    61,137.80x = 4,486,806,898.27
  5. Step 5: Solve for x
    x = 4,486,806,898.27/61,137.80
  6. Step 6: Final answer
    x = 73,388.43

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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.