Home / 82,758.24-124,040.13-38,291.07

Finding the Fourth Proportional to 82,758.24, 124,040.13 and 38,291.07

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Solution

The fourth proportional to 82,758.24, 124,040.13 and 38,291.07 is: 57,391.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,758.24 : 124,040.13 = 38,291.07 : x
  2. Step 2: Convert to fraction form
    82,758.24/124,040.13 = 38,291.07/x
  3. Step 3: Cross multiply
    82,758.24x = 124,040.13 × 38,291.07
  4. Step 4: Simplify right side
    82,758.24x = 4,749,629,300.64
  5. Step 5: Solve for x
    x = 4,749,629,300.64/82,758.24
  6. Step 6: Final answer
    x = 57,391.62

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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.