Home / 50,780.58-76,129.56-34,089.72

Finding the Fourth Proportional to 50,780.58, 76,129.56 and 34,089.72

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Solution

The fourth proportional to 50,780.58, 76,129.56 and 34,089.72 is: 51,106.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,780.58 : 76,129.56 = 34,089.72 : x
  2. Step 2: Convert to fraction form
    50,780.58/76,129.56 = 34,089.72/x
  3. Step 3: Cross multiply
    50,780.58x = 76,129.56 × 34,089.72
  4. Step 4: Simplify right side
    50,780.58x = 2,595,235,384.12
  5. Step 5: Solve for x
    x = 2,595,235,384.12/50,780.58
  6. Step 6: Final answer
    x = 51,106.85

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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.