Home / 96,631.60-144,940.20-40,457.20

Finding the Fourth Proportional to 96,631.60, 144,940.20 and 40,457.20

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Solution

The fourth proportional to 96,631.60, 144,940.20 and 40,457.20 is: 60,682.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,631.60 : 144,940.20 = 40,457.20 : x
  2. Step 2: Convert to fraction form
    96,631.60/144,940.20 = 40,457.20/x
  3. Step 3: Cross multiply
    96,631.60x = 144,940.20 × 40,457.20
  4. Step 4: Simplify right side
    96,631.60x = 5,863,874,659.44
  5. Step 5: Solve for x
    x = 5,863,874,659.44/96,631.60
  6. Step 6: Final answer
    x = 60,682.79

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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.