Home / 76,986.59-115,483.12-37,576.85

Finding the Fourth Proportional to 76,986.59, 115,483.12 and 37,576.85

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Solution

The fourth proportional to 76,986.59, 115,483.12 and 37,576.85 is: 56,366.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,986.59 : 115,483.12 = 37,576.85 : x
  2. Step 2: Convert to fraction form
    76,986.59/115,483.12 = 37,576.85/x
  3. Step 3: Cross multiply
    76,986.59x = 115,483.12 × 37,576.85
  4. Step 4: Simplify right side
    76,986.59x = 4,339,491,495.12
  5. Step 5: Solve for x
    x = 4,339,491,495.12/76,986.59
  6. Step 6: Final answer
    x = 56,366.85

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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.