Home / 55,975.24-77,114.44-38,950.20

Finding the Fourth Proportional to 55,975.24, 77,114.44 and 38,950.20

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Solution

The fourth proportional to 55,975.24, 77,114.44 and 38,950.20 is: 53,659.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,975.24 : 77,114.44 = 38,950.20 : x
  2. Step 2: Convert to fraction form
    55,975.24/77,114.44 = 38,950.20/x
  3. Step 3: Cross multiply
    55,975.24x = 77,114.44 × 38,950.20
  4. Step 4: Simplify right side
    55,975.24x = 3,003,622,860.89
  5. Step 5: Solve for x
    x = 3,003,622,860.89/55,975.24
  6. Step 6: Final answer
    x = 53,659.85

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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.