Home / 55,560.81-76,673.32-30,066.60

Finding the Fourth Proportional to 55,560.81, 76,673.32 and 30,066.60

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Solution

The fourth proportional to 55,560.81, 76,673.32 and 30,066.60 is: 41,491.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,560.81 : 76,673.32 = 30,066.60 : x
  2. Step 2: Convert to fraction form
    55,560.81/76,673.32 = 30,066.60/x
  3. Step 3: Cross multiply
    55,560.81x = 76,673.32 × 30,066.60
  4. Step 4: Simplify right side
    55,560.81x = 2,305,306,043.11
  5. Step 5: Solve for x
    x = 2,305,306,043.11/55,560.81
  6. Step 6: Final answer
    x = 41,491.58

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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.