Home / 82,331.12-113,622.18-50,495.68

Finding the Fourth Proportional to 82,331.12, 113,622.18 and 50,495.68

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Solution

The fourth proportional to 82,331.12, 113,622.18 and 50,495.68 is: 69,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,331.12 : 113,622.18 = 50,495.68 : x
  2. Step 2: Convert to fraction form
    82,331.12/113,622.18 = 50,495.68/x
  3. Step 3: Cross multiply
    82,331.12x = 113,622.18 × 50,495.68
  4. Step 4: Simplify right side
    82,331.12x = 5,737,429,242.18
  5. Step 5: Solve for x
    x = 5,737,429,242.18/82,331.12
  6. Step 6: Final answer
    x = 69,687.25

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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.