Home / 117,454.60-162,087.46-63,739.62

Finding the Fourth Proportional to 117,454.60, 162,087.46 and 63,739.62

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Solution

The fourth proportional to 117,454.60, 162,087.46 and 63,739.62 is: 87,960.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,454.60 : 162,087.46 = 63,739.62 : x
  2. Step 2: Convert to fraction form
    117,454.60/162,087.46 = 63,739.62/x
  3. Step 3: Cross multiply
    117,454.60x = 162,087.46 × 63,739.62
  4. Step 4: Simplify right side
    117,454.60x = 10,331,393,107.17
  5. Step 5: Solve for x
    x = 10,331,393,107.17/117,454.60
  6. Step 6: Final answer
    x = 87,960.74

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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.