Home / 54,542.44-75,275.22-30,670.12

Finding the Fourth Proportional to 54,542.44, 75,275.22 and 30,670.12

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Solution

The fourth proportional to 54,542.44, 75,275.22 and 30,670.12 is: 42,328.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,542.44 : 75,275.22 = 30,670.12 : x
  2. Step 2: Convert to fraction form
    54,542.44/75,275.22 = 30,670.12/x
  3. Step 3: Cross multiply
    54,542.44x = 75,275.22 × 30,670.12
  4. Step 4: Simplify right side
    54,542.44x = 2,308,700,030.43
  5. Step 5: Solve for x
    x = 2,308,700,030.43/54,542.44
  6. Step 6: Final answer
    x = 42,328.51

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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.