Home / 55,958.07-77,206.84-38,943.21

Finding the Fourth Proportional to 55,958.07, 77,206.84 and 38,943.21

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Solution

The fourth proportional to 55,958.07, 77,206.84 and 38,943.21 is: 53,730.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,958.07 : 77,206.84 = 38,943.21 : x
  2. Step 2: Convert to fraction form
    55,958.07/77,206.84 = 38,943.21/x
  3. Step 3: Cross multiply
    55,958.07x = 77,206.84 × 38,943.21
  4. Step 4: Simplify right side
    55,958.07x = 3,006,682,183.56
  5. Step 5: Solve for x
    x = 3,006,682,183.56/55,958.07
  6. Step 6: Final answer
    x = 53,730.98

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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.