Home / 55,844.81-77,066.60-30,351.68

Finding the Fourth Proportional to 55,844.81, 77,066.60 and 30,351.68

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Solution

The fourth proportional to 55,844.81, 77,066.60 and 30,351.68 is: 41,885.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,844.81 : 77,066.60 = 30,351.68 : x
  2. Step 2: Convert to fraction form
    55,844.81/77,066.60 = 30,351.68/x
  3. Step 3: Cross multiply
    55,844.81x = 77,066.60 × 30,351.68
  4. Step 4: Simplify right side
    55,844.81x = 2,339,100,781.89
  5. Step 5: Solve for x
    x = 2,339,100,781.89/55,844.81
  6. Step 6: Final answer
    x = 41,885.73

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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.