Home / 82,139.06-113,350.75-46,340.60

Finding the Fourth Proportional to 82,139.06, 113,350.75 and 46,340.60

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Solution

The fourth proportional to 82,139.06, 113,350.75 and 46,340.60 is: 63,949.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,139.06 : 113,350.75 = 46,340.60 : x
  2. Step 2: Convert to fraction form
    82,139.06/113,350.75 = 46,340.60/x
  3. Step 3: Cross multiply
    82,139.06x = 113,350.75 × 46,340.60
  4. Step 4: Simplify right side
    82,139.06x = 5,252,741,082.84
  5. Step 5: Solve for x
    x = 5,252,741,082.84/82,139.06
  6. Step 6: Final answer
    x = 63,949.37

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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.