Home / 124,452.07-171,743.54-67,863.45

Finding the Fourth Proportional to 124,452.07, 171,743.54 and 67,863.45

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Solution

The fourth proportional to 124,452.07, 171,743.54 and 67,863.45 is: 93,651.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,452.07 : 171,743.54 = 67,863.45 : x
  2. Step 2: Convert to fraction form
    124,452.07/171,743.54 = 67,863.45/x
  3. Step 3: Cross multiply
    124,452.07x = 171,743.54 × 67,863.45
  4. Step 4: Simplify right side
    124,452.07x = 11,655,109,139.61
  5. Step 5: Solve for x
    x = 11,655,109,139.61/124,452.07
  6. Step 6: Final answer
    x = 93,651.39

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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.