Home / 54,577.35-75,311.39-30,703.51

Finding the Fourth Proportional to 54,577.35, 75,311.39 and 30,703.51

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Solution

The fourth proportional to 54,577.35, 75,311.39 and 30,703.51 is: 42,367.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,577.35 : 75,311.39 = 30,703.51 : x
  2. Step 2: Convert to fraction form
    54,577.35/75,311.39 = 30,703.51/x
  3. Step 3: Cross multiply
    54,577.35x = 75,311.39 × 30,703.51
  4. Step 4: Simplify right side
    54,577.35x = 2,312,324,014.17
  5. Step 5: Solve for x
    x = 2,312,324,014.17/54,577.35
  6. Step 6: Final answer
    x = 42,367.83

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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.