Home / 124,371.88-171,628.16-67,782.04

Finding the Fourth Proportional to 124,371.88, 171,628.16 and 67,782.04

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Solution

The fourth proportional to 124,371.88, 171,628.16 and 67,782.04 is: 93,536.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,371.88 : 171,628.16 = 67,782.04 : x
  2. Step 2: Convert to fraction form
    124,371.88/171,628.16 = 67,782.04/x
  3. Step 3: Cross multiply
    124,371.88x = 171,628.16 × 67,782.04
  4. Step 4: Simplify right side
    124,371.88x = 11,633,306,806.25
  5. Step 5: Solve for x
    x = 11,633,306,806.25/124,371.88
  6. Step 6: Final answer
    x = 93,536.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.