Home / 76,581.64-114,829.26-29,780.92

Finding the Fourth Proportional to 76,581.64, 114,829.26 and 29,780.92

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Solution

The fourth proportional to 76,581.64, 114,829.26 and 29,780.92 is: 44,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,581.64 : 114,829.26 = 29,780.92 : x
  2. Step 2: Convert to fraction form
    76,581.64/114,829.26 = 29,780.92/x
  3. Step 3: Cross multiply
    76,581.64x = 114,829.26 × 29,780.92
  4. Step 4: Simplify right side
    76,581.64x = 3,419,721,005.72
  5. Step 5: Solve for x
    x = 3,419,721,005.72/76,581.64
  6. Step 6: Final answer
    x = 44,654.58

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1.5x scale

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.