Home / 55,173.78-76,109.09-34,995.06

Finding the Fourth Proportional to 55,173.78, 76,109.09 and 34,995.06

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Solution

The fourth proportional to 55,173.78, 76,109.09 and 34,995.06 is: 48,273.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,173.78 : 76,109.09 = 34,995.06 : x
  2. Step 2: Convert to fraction form
    55,173.78/76,109.09 = 34,995.06/x
  3. Step 3: Cross multiply
    55,173.78x = 76,109.09 × 34,995.06
  4. Step 4: Simplify right side
    55,173.78x = 2,663,441,996.12
  5. Step 5: Solve for x
    x = 2,663,441,996.12/55,173.78
  6. Step 6: Final answer
    x = 48,273.69

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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.