Home / 55,610.38-76,742.36-30,116.94

Finding the Fourth Proportional to 55,610.38, 76,742.36 and 30,116.94

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Solution

The fourth proportional to 55,610.38, 76,742.36 and 30,116.94 is: 41,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,610.38 : 76,742.36 = 30,116.94 : x
  2. Step 2: Convert to fraction form
    55,610.38/76,742.36 = 30,116.94/x
  3. Step 3: Cross multiply
    55,610.38x = 76,742.36 × 30,116.94
  4. Step 4: Simplify right side
    55,610.38x = 2,311,245,051.58
  5. Step 5: Solve for x
    x = 2,311,245,051.58/55,610.38
  6. Step 6: Final answer
    x = 41,561.40

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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.