Home / 55,751.20-76,933.20-30,600.52

Finding the Fourth Proportional to 55,751.20, 76,933.20 and 30,600.52

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Solution

The fourth proportional to 55,751.20, 76,933.20 and 30,600.52 is: 42,226.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,751.20 : 76,933.20 = 30,600.52 : x
  2. Step 2: Convert to fraction form
    55,751.20/76,933.20 = 30,600.52/x
  3. Step 3: Cross multiply
    55,751.20x = 76,933.20 × 30,600.52
  4. Step 4: Simplify right side
    55,751.20x = 2,354,195,925.26
  5. Step 5: Solve for x
    x = 2,354,195,925.26/55,751.20
  6. Step 6: Final answer
    x = 42,226.82

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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.