Home / 61,115.84-84,338.24-34,260.09

Finding the Fourth Proportional to 61,115.84, 84,338.24 and 34,260.09

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Solution

The fourth proportional to 61,115.84, 84,338.24 and 34,260.09 is: 47,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,115.84 : 84,338.24 = 34,260.09 : x
  2. Step 2: Convert to fraction form
    61,115.84/84,338.24 = 34,260.09/x
  3. Step 3: Cross multiply
    61,115.84x = 84,338.24 × 34,260.09
  4. Step 4: Simplify right side
    61,115.84x = 2,889,435,692.84
  5. Step 5: Solve for x
    x = 2,889,435,692.84/61,115.84
  6. Step 6: Final answer
    x = 47,278.02

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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.