Home / 94,104.20-129,856.08-51,661.28

Finding the Fourth Proportional to 94,104.20, 129,856.08 and 51,661.28

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Solution

The fourth proportional to 94,104.20, 129,856.08 and 51,661.28 is: 71,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,104.20 : 129,856.08 = 51,661.28 : x
  2. Step 2: Convert to fraction form
    94,104.20/129,856.08 = 51,661.28/x
  3. Step 3: Cross multiply
    94,104.20x = 129,856.08 × 51,661.28
  4. Step 4: Simplify right side
    94,104.20x = 6,708,531,308.58
  5. Step 5: Solve for x
    x = 6,708,531,308.58/94,104.20
  6. Step 6: Final answer
    x = 71,288.33

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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.