Home / 82,912.12-114,457.14-48,909.16

Finding the Fourth Proportional to 82,912.12, 114,457.14 and 48,909.16

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Solution

The fourth proportional to 82,912.12, 114,457.14 and 48,909.16 is: 67,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,912.12 : 114,457.14 = 48,909.16 : x
  2. Step 2: Convert to fraction form
    82,912.12/114,457.14 = 48,909.16/x
  3. Step 3: Cross multiply
    82,912.12x = 114,457.14 × 48,909.16
  4. Step 4: Simplify right side
    82,912.12x = 5,598,002,573.40
  5. Step 5: Solve for x
    x = 5,598,002,573.40/82,912.12
  6. Step 6: Final answer
    x = 67,517.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.