Home / 55,964.06-83,946-38,380.58

Finding the Fourth Proportional to 55,964.06, 83,946 and 38,380.58

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Solution

The fourth proportional to 55,964.06, 83,946 and 38,380.58 is: 57,570.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,964.06 : 83,946 = 38,380.58 : x
  2. Step 2: Convert to fraction form
    55,964.06/83,946 = 38,380.58/x
  3. Step 3: Cross multiply
    55,964.06x = 83,946 × 38,380.58
  4. Step 4: Simplify right side
    55,964.06x = 3,221,896,168.68
  5. Step 5: Solve for x
    x = 3,221,896,168.68/55,964.06
  6. Step 6: Final answer
    x = 57,570.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.