Home / 54,656.06-75,425.62-30,783.14

Finding the Fourth Proportional to 54,656.06, 75,425.62 and 30,783.14

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Solution

The fourth proportional to 54,656.06, 75,425.62 and 30,783.14 is: 42,480.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,656.06 : 75,425.62 = 30,783.14 : x
  2. Step 2: Convert to fraction form
    54,656.06/75,425.62 = 30,783.14/x
  3. Step 3: Cross multiply
    54,656.06x = 75,425.62 × 30,783.14
  4. Step 4: Simplify right side
    54,656.06x = 2,321,837,420.05
  5. Step 5: Solve for x
    x = 2,321,837,420.05/54,656.06
  6. Step 6: Final answer
    x = 42,480.88

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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.