Home / 117,761.12-162,511.54-64,047.34

Finding the Fourth Proportional to 117,761.12, 162,511.54 and 64,047.34

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Solution

The fourth proportional to 117,761.12, 162,511.54 and 64,047.34 is: 88,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,761.12 : 162,511.54 = 64,047.34 : x
  2. Step 2: Convert to fraction form
    117,761.12/162,511.54 = 64,047.34/x
  3. Step 3: Cross multiply
    117,761.12x = 162,511.54 × 64,047.34
  4. Step 4: Simplify right side
    117,761.12x = 10,408,431,856.30
  5. Step 5: Solve for x
    x = 10,408,431,856.30/117,761.12
  6. Step 6: Final answer
    x = 88,385.98

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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.