Home / 55,845.66-77,040.78-33,185.34

Finding the Fourth Proportional to 55,845.66, 77,040.78 and 33,185.34

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Solution

The fourth proportional to 55,845.66, 77,040.78 and 33,185.34 is: 45,780.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,845.66 : 77,040.78 = 33,185.34 : x
  2. Step 2: Convert to fraction form
    55,845.66/77,040.78 = 33,185.34/x
  3. Step 3: Cross multiply
    55,845.66x = 77,040.78 × 33,185.34
  4. Step 4: Simplify right side
    55,845.66x = 2,556,624,478.17
  5. Step 5: Solve for x
    x = 2,556,624,478.17/55,845.66
  6. Step 6: Final answer
    x = 45,780.18

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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.