Home / 55,928.42-77,181.23-30,777.92

Finding the Fourth Proportional to 55,928.42, 77,181.23 and 30,777.92

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Solution

The fourth proportional to 55,928.42, 77,181.23 and 30,777.92 is: 42,473.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,928.42 : 77,181.23 = 30,777.92 : x
  2. Step 2: Convert to fraction form
    55,928.42/77,181.23 = 30,777.92/x
  3. Step 3: Cross multiply
    55,928.42x = 77,181.23 × 30,777.92
  4. Step 4: Simplify right side
    55,928.42x = 2,375,477,182.65
  5. Step 5: Solve for x
    x = 2,375,477,182.65/55,928.42
  6. Step 6: Final answer
    x = 42,473.53

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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.