Home / 76,079.16-114,137.42-53,633.70

Finding the Fourth Proportional to 76,079.16, 114,137.42 and 53,633.70

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Solution

The fourth proportional to 76,079.16, 114,137.42 and 53,633.70 is: 80,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,079.16 : 114,137.42 = 53,633.70 : x
  2. Step 2: Convert to fraction form
    76,079.16/114,137.42 = 53,633.70/x
  3. Step 3: Cross multiply
    76,079.16x = 114,137.42 × 53,633.70
  4. Step 4: Simplify right side
    76,079.16x = 6,121,611,874.89
  5. Step 5: Solve for x
    x = 6,121,611,874.89/76,079.16
  6. Step 6: Final answer
    x = 80,463.72

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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.