Home / 124,927.44-187,401.18-40,686

Finding the Fourth Proportional to 124,927.44, 187,401.18 and 40,686

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Solution

The fourth proportional to 124,927.44, 187,401.18 and 40,686 is: 61,032.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,927.44 : 187,401.18 = 40,686 : x
  2. Step 2: Convert to fraction form
    124,927.44/187,401.18 = 40,686/x
  3. Step 3: Cross multiply
    124,927.44x = 187,401.18 × 40,686
  4. Step 4: Simplify right side
    124,927.44x = 7,624,604,409.48
  5. Step 5: Solve for x
    x = 7,624,604,409.48/124,927.44
  6. Step 6: Final answer
    x = 61,032.26

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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.