Home / 117,453.60-162,086.08-63,738.62

Finding the Fourth Proportional to 117,453.60, 162,086.08 and 63,738.62

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Solution

The fourth proportional to 117,453.60, 162,086.08 and 63,738.62 is: 87,959.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,453.60 : 162,086.08 = 63,738.62 : x
  2. Step 2: Convert to fraction form
    117,453.60/162,086.08 = 63,738.62/x
  3. Step 3: Cross multiply
    117,453.60x = 162,086.08 × 63,738.62
  4. Step 4: Simplify right side
    117,453.60x = 10,331,142,874.56
  5. Step 5: Solve for x
    x = 10,331,142,874.56/117,453.60
  6. Step 6: Final answer
    x = 87,959.35

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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.