Home / 55,151.58-76,109.94-30,001.08

Finding the Fourth Proportional to 55,151.58, 76,109.94 and 30,001.08

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Solution

The fourth proportional to 55,151.58, 76,109.94 and 30,001.08 is: 41,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,151.58 : 76,109.94 = 30,001.08 : x
  2. Step 2: Convert to fraction form
    55,151.58/76,109.94 = 30,001.08/x
  3. Step 3: Cross multiply
    55,151.58x = 76,109.94 × 30,001.08
  4. Step 4: Simplify right side
    55,151.58x = 2,283,380,398.74
  5. Step 5: Solve for x
    x = 2,283,380,398.74/55,151.58
  6. Step 6: Final answer
    x = 41,401.90

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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.