Home / 82,139.63-113,345.88-46,338.44

Finding the Fourth Proportional to 82,139.63, 113,345.88 and 46,338.44

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Solution

The fourth proportional to 82,139.63, 113,345.88 and 46,338.44 is: 63,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,139.63 : 113,345.88 = 46,338.44 : x
  2. Step 2: Convert to fraction form
    82,139.63/113,345.88 = 46,338.44/x
  3. Step 3: Cross multiply
    82,139.63x = 113,345.88 × 46,338.44
  4. Step 4: Simplify right side
    82,139.63x = 5,252,270,692.90
  5. Step 5: Solve for x
    x = 5,252,270,692.90/82,139.63
  6. Step 6: Final answer
    x = 63,943.20

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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.