Home / 124,972.80-187,475.40-61,825.20

Finding the Fourth Proportional to 124,972.80, 187,475.40 and 61,825.20

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Solution

The fourth proportional to 124,972.80, 187,475.40 and 61,825.20 is: 92,745.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,972.80 : 187,475.40 = 61,825.20 : x
  2. Step 2: Convert to fraction form
    124,972.80/187,475.40 = 61,825.20/x
  3. Step 3: Cross multiply
    124,972.80x = 187,475.40 × 61,825.20
  4. Step 4: Simplify right side
    124,972.80x = 11,590,704,100.08
  5. Step 5: Solve for x
    x = 11,590,704,100.08/124,972.80
  6. Step 6: Final answer
    x = 92,745.81

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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.