Home / 54,690.10-75,472.38-29,539.60

Finding the Fourth Proportional to 54,690.10, 75,472.38 and 29,539.60

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Solution

The fourth proportional to 54,690.10, 75,472.38 and 29,539.60 is: 40,764.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,690.10 : 75,472.38 = 29,539.60 : x
  2. Step 2: Convert to fraction form
    54,690.10/75,472.38 = 29,539.60/x
  3. Step 3: Cross multiply
    54,690.10x = 75,472.38 × 29,539.60
  4. Step 4: Simplify right side
    54,690.10x = 2,229,423,727.57
  5. Step 5: Solve for x
    x = 2,229,423,727.57/54,690.10
  6. Step 6: Final answer
    x = 40,764.67

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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.