Home / 61,115.96-84,338.42-34,260.21

Finding the Fourth Proportional to 61,115.96, 84,338.42 and 34,260.21

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Solution

The fourth proportional to 61,115.96, 84,338.42 and 34,260.21 is: 47,278.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,115.96 : 84,338.42 = 34,260.21 : x
  2. Step 2: Convert to fraction form
    61,115.96/84,338.42 = 34,260.21/x
  3. Step 3: Cross multiply
    61,115.96x = 84,338.42 × 34,260.21
  4. Step 4: Simplify right side
    61,115.96x = 2,889,451,808.97
  5. Step 5: Solve for x
    x = 2,889,451,808.97/61,115.96
  6. Step 6: Final answer
    x = 47,278.19

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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.