Home / 55,270.56-76,273.47-30,120.06

Finding the Fourth Proportional to 55,270.56, 76,273.47 and 30,120.06

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Solution

The fourth proportional to 55,270.56, 76,273.47 and 30,120.06 is: 41,565.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,270.56 : 76,273.47 = 30,120.06 : x
  2. Step 2: Convert to fraction form
    55,270.56/76,273.47 = 30,120.06/x
  3. Step 3: Cross multiply
    55,270.56x = 76,273.47 × 30,120.06
  4. Step 4: Simplify right side
    55,270.56x = 2,297,361,492.81
  5. Step 5: Solve for x
    x = 2,297,361,492.81/55,270.56
  6. Step 6: Final answer
    x = 41,565.74

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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.