Home / 76,081.16-114,140.42-53,635.70

Finding the Fourth Proportional to 76,081.16, 114,140.42 and 53,635.70

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Solution

The fourth proportional to 76,081.16, 114,140.42 and 53,635.70 is: 80,466.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,081.16 : 114,140.42 = 53,635.70 : x
  2. Step 2: Convert to fraction form
    76,081.16/114,140.42 = 53,635.70/x
  3. Step 3: Cross multiply
    76,081.16x = 114,140.42 × 53,635.70
  4. Step 4: Simplify right side
    76,081.16x = 6,122,001,324.99
  5. Step 5: Solve for x
    x = 6,122,001,324.99/76,081.16
  6. Step 6: Final answer
    x = 80,466.72

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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.