Home / 61,821.87-85,313.59-34,969.62

Finding the Fourth Proportional to 61,821.87, 85,313.59 and 34,969.62

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Solution

The fourth proportional to 61,821.87, 85,313.59 and 34,969.62 is: 48,257.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,821.87 : 85,313.59 = 34,969.62 : x
  2. Step 2: Convert to fraction form
    61,821.87/85,313.59 = 34,969.62/x
  3. Step 3: Cross multiply
    61,821.87x = 85,313.59 × 34,969.62
  4. Step 4: Simplify right side
    61,821.87x = 2,983,383,823.14
  5. Step 5: Solve for x
    x = 2,983,383,823.14/61,821.87
  6. Step 6: Final answer
    x = 48,257.74

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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.