Home / 63,414.21-87,252.33-54,889.16

Finding the Fourth Proportional to 63,414.21, 87,252.33 and 54,889.16

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Solution

The fourth proportional to 63,414.21, 87,252.33 and 54,889.16 is: 75,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,414.21 : 87,252.33 = 54,889.16 : x
  2. Step 2: Convert to fraction form
    63,414.21/87,252.33 = 54,889.16/x
  3. Step 3: Cross multiply
    63,414.21x = 87,252.33 × 54,889.16
  4. Step 4: Simplify right side
    63,414.21x = 4,789,207,101.74
  5. Step 5: Solve for x
    x = 4,789,207,101.74/63,414.21
  6. Step 6: Final answer
    x = 75,522.62

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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.