Home / 55,741.60-76,918.28-33,076.68

Finding the Fourth Proportional to 55,741.60, 76,918.28 and 33,076.68

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Solution

The fourth proportional to 55,741.60, 76,918.28 and 33,076.68 is: 45,642.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,741.60 : 76,918.28 = 33,076.68 : x
  2. Step 2: Convert to fraction form
    55,741.60/76,918.28 = 33,076.68/x
  3. Step 3: Cross multiply
    55,741.60x = 76,918.28 × 33,076.68
  4. Step 4: Simplify right side
    55,741.60x = 2,544,201,333.71
  5. Step 5: Solve for x
    x = 2,544,201,333.71/55,741.60
  6. Step 6: Final answer
    x = 45,642.78

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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.