Home / 55,965.71-77,242.34-35,821.55

Finding the Fourth Proportional to 55,965.71, 77,242.34 and 35,821.55

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Solution

The fourth proportional to 55,965.71, 77,242.34 and 35,821.55 is: 49,439.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,965.71 : 77,242.34 = 35,821.55 : x
  2. Step 2: Convert to fraction form
    55,965.71/77,242.34 = 35,821.55/x
  3. Step 3: Cross multiply
    55,965.71x = 77,242.34 × 35,821.55
  4. Step 4: Simplify right side
    55,965.71x = 2,766,940,344.43
  5. Step 5: Solve for x
    x = 2,766,940,344.43/55,965.71
  6. Step 6: Final answer
    x = 49,439.92

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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.