Home / 117,486.45-162,132.12-63,771.46

Finding the Fourth Proportional to 117,486.45, 162,132.12 and 63,771.46

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Solution

The fourth proportional to 117,486.45, 162,132.12 and 63,771.46 is: 88,005.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,486.45 : 162,132.12 = 63,771.46 : x
  2. Step 2: Convert to fraction form
    117,486.45/162,132.12 = 63,771.46/x
  3. Step 3: Cross multiply
    117,486.45x = 162,132.12 × 63,771.46
  4. Step 4: Simplify right side
    117,486.45x = 10,339,401,599.96
  5. Step 5: Solve for x
    x = 10,339,401,599.96/117,486.45
  6. Step 6: Final answer
    x = 88,005.06

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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.