Home / 124,029.20-186,043.80-61,821.20

Finding the Fourth Proportional to 124,029.20, 186,043.80 and 61,821.20

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Solution

The fourth proportional to 124,029.20, 186,043.80 and 61,821.20 is: 92,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,029.20 : 186,043.80 = 61,821.20 : x
  2. Step 2: Convert to fraction form
    124,029.20/186,043.80 = 61,821.20/x
  3. Step 3: Cross multiply
    124,029.20x = 186,043.80 × 61,821.20
  4. Step 4: Simplify right side
    124,029.20x = 11,501,450,968.56
  5. Step 5: Solve for x
    x = 11,501,450,968.56/124,029.20
  6. Step 6: Final answer
    x = 92,731.80

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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.