Home / 54,735.06-75,536.51-30,861.23

Finding the Fourth Proportional to 54,735.06, 75,536.51 and 30,861.23

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Solution

The fourth proportional to 54,735.06, 75,536.51 and 30,861.23 is: 42,589.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,735.06 : 75,536.51 = 30,861.23 : x
  2. Step 2: Convert to fraction form
    54,735.06/75,536.51 = 30,861.23/x
  3. Step 3: Cross multiply
    54,735.06x = 75,536.51 × 30,861.23
  4. Step 4: Simplify right side
    54,735.06x = 2,331,149,307.98
  5. Step 5: Solve for x
    x = 2,331,149,307.98/54,735.06
  6. Step 6: Final answer
    x = 42,589.69

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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.