Home / 117,581.58-162,263.75-63,867.64

Finding the Fourth Proportional to 117,581.58, 162,263.75 and 63,867.64

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Solution

The fourth proportional to 117,581.58, 162,263.75 and 63,867.64 is: 88,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,581.58 : 162,263.75 = 63,867.64 : x
  2. Step 2: Convert to fraction form
    117,581.58/162,263.75 = 63,867.64/x
  3. Step 3: Cross multiply
    117,581.58x = 162,263.75 × 63,867.64
  4. Step 4: Simplify right side
    117,581.58x = 10,363,402,770.05
  5. Step 5: Solve for x
    x = 10,363,402,770.05/117,581.58
  6. Step 6: Final answer
    x = 88,137.98

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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.