Home / 76,936.10-115,436.55-41,900.90

Finding the Fourth Proportional to 76,936.10, 115,436.55 and 41,900.90

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Solution

The fourth proportional to 76,936.10, 115,436.55 and 41,900.90 is: 62,869.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,936.10 : 115,436.55 = 41,900.90 : x
  2. Step 2: Convert to fraction form
    76,936.10/115,436.55 = 41,900.90/x
  3. Step 3: Cross multiply
    76,936.10x = 115,436.55 × 41,900.90
  4. Step 4: Simplify right side
    76,936.10x = 4,836,895,337.90
  5. Step 5: Solve for x
    x = 4,836,895,337.90/76,936.10
  6. Step 6: Final answer
    x = 62,869.00

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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.