Home / 76,280.16-114,452.64-41,178.96

Finding the Fourth Proportional to 76,280.16, 114,452.64 and 41,178.96

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Solution

The fourth proportional to 76,280.16, 114,452.64 and 41,178.96 is: 61,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,280.16 : 114,452.64 = 41,178.96 : x
  2. Step 2: Convert to fraction form
    76,280.16/114,452.64 = 41,178.96/x
  3. Step 3: Cross multiply
    76,280.16x = 114,452.64 × 41,178.96
  4. Step 4: Simplify right side
    76,280.16x = 4,713,040,684.45
  5. Step 5: Solve for x
    x = 4,713,040,684.45/76,280.16
  6. Step 6: Final answer
    x = 61,785.93

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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.