Home / 55,606.19-76,736.58-30,112.76

Finding the Fourth Proportional to 55,606.19, 76,736.58 and 30,112.76

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Solution

The fourth proportional to 55,606.19, 76,736.58 and 30,112.76 is: 41,555.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,606.19 : 76,736.58 = 30,112.76 : x
  2. Step 2: Convert to fraction form
    55,606.19/76,736.58 = 30,112.76/x
  3. Step 3: Cross multiply
    55,606.19x = 76,736.58 × 30,112.76
  4. Step 4: Simplify right side
    55,606.19x = 2,310,750,216.76
  5. Step 5: Solve for x
    x = 2,310,750,216.76/55,606.19
  6. Step 6: Final answer
    x = 41,555.63

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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.