Home / 55,651.04-76,797.60-30,500.56

Finding the Fourth Proportional to 55,651.04, 76,797.60 and 30,500.56

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Solution

The fourth proportional to 55,651.04, 76,797.60 and 30,500.56 is: 42,090.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,651.04 : 76,797.60 = 30,500.56 : x
  2. Step 2: Convert to fraction form
    55,651.04/76,797.60 = 30,500.56/x
  3. Step 3: Cross multiply
    55,651.04x = 76,797.60 × 30,500.56
  4. Step 4: Simplify right side
    55,651.04x = 2,342,369,806.66
  5. Step 5: Solve for x
    x = 2,342,369,806.66/55,651.04
  6. Step 6: Final answer
    x = 42,090.32

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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.