Home / 117,985.44-162,818.64-67,692.32

Finding the Fourth Proportional to 117,985.44, 162,818.64 and 67,692.32

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Solution

The fourth proportional to 117,985.44, 162,818.64 and 67,692.32 is: 93,414.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,985.44 : 162,818.64 = 67,692.32 : x
  2. Step 2: Convert to fraction form
    117,985.44/162,818.64 = 67,692.32/x
  3. Step 3: Cross multiply
    117,985.44x = 162,818.64 × 67,692.32
  4. Step 4: Simplify right side
    117,985.44x = 11,021,571,480.84
  5. Step 5: Solve for x
    x = 11,021,571,480.84/117,985.44
  6. Step 6: Final answer
    x = 93,414.67

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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.