Home / 94,078.53-129,829.37-51,636.15

Finding the Fourth Proportional to 94,078.53, 129,829.37 and 51,636.15

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Solution

The fourth proportional to 94,078.53, 129,829.37 and 51,636.15 is: 71,258.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,078.53 : 129,829.37 = 51,636.15 : x
  2. Step 2: Convert to fraction form
    94,078.53/129,829.37 = 51,636.15/x
  3. Step 3: Cross multiply
    94,078.53x = 129,829.37 × 51,636.15
  4. Step 4: Simplify right side
    94,078.53x = 6,703,888,565.54
  5. Step 5: Solve for x
    x = 6,703,888,565.54/94,078.53
  6. Step 6: Final answer
    x = 71,258.43

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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.