Home / 124,130.21-186,049.51-57,429.46

Finding the Fourth Proportional to 124,130.21, 186,049.51 and 57,429.46

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Solution

The fourth proportional to 124,130.21, 186,049.51 and 57,429.46 is: 86,076.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,130.21 : 186,049.51 = 57,429.46 : x
  2. Step 2: Convert to fraction form
    124,130.21/186,049.51 = 57,429.46/x
  3. Step 3: Cross multiply
    124,130.21x = 186,049.51 × 57,429.46
  4. Step 4: Simplify right side
    124,130.21x = 10,684,722,283.87
  5. Step 5: Solve for x
    x = 10,684,722,283.87/124,130.21
  6. Step 6: Final answer
    x = 86,076.73

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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.