Home / 117,709.38-162,439.98-63,994.44

Finding the Fourth Proportional to 117,709.38, 162,439.98 and 63,994.44

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Solution

The fourth proportional to 117,709.38, 162,439.98 and 63,994.44 is: 88,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,709.38 : 162,439.98 = 63,994.44 : x
  2. Step 2: Convert to fraction form
    117,709.38/162,439.98 = 63,994.44/x
  3. Step 3: Cross multiply
    117,709.38x = 162,439.98 × 63,994.44
  4. Step 4: Simplify right side
    117,709.38x = 10,395,255,553.71
  5. Step 5: Solve for x
    x = 10,395,255,553.71/117,709.38
  6. Step 6: Final answer
    x = 88,312.89

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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.