Home / 61,072.87-84,282.98-34,215.60

Finding the Fourth Proportional to 61,072.87, 84,282.98 and 34,215.60

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Solution

The fourth proportional to 61,072.87, 84,282.98 and 34,215.60 is: 47,218.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,072.87 : 84,282.98 = 34,215.60 : x
  2. Step 2: Convert to fraction form
    61,072.87/84,282.98 = 34,215.60/x
  3. Step 3: Cross multiply
    61,072.87x = 84,282.98 × 34,215.60
  4. Step 4: Simplify right side
    61,072.87x = 2,883,792,730.49
  5. Step 5: Solve for x
    x = 2,883,792,730.49/61,072.87
  6. Step 6: Final answer
    x = 47,218.88

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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.