Home / 54,453.39-75,149.67-30,581.47

Finding the Fourth Proportional to 54,453.39, 75,149.67 and 30,581.47

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Solution

The fourth proportional to 54,453.39, 75,149.67 and 30,581.47 is: 42,204.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,453.39 : 75,149.67 = 30,581.47 : x
  2. Step 2: Convert to fraction form
    54,453.39/75,149.67 = 30,581.47/x
  3. Step 3: Cross multiply
    54,453.39x = 75,149.67 × 30,581.47
  4. Step 4: Simplify right side
    54,453.39x = 2,298,187,378.61
  5. Step 5: Solve for x
    x = 2,298,187,378.61/54,453.39
  6. Step 6: Final answer
    x = 42,204.67

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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.