Home / 117,860.88-162,652.01-64,147.85

Finding the Fourth Proportional to 117,860.88, 162,652.01 and 64,147.85

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Solution

The fourth proportional to 117,860.88, 162,652.01 and 64,147.85 is: 88,526.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,860.88 : 162,652.01 = 64,147.85 : x
  2. Step 2: Convert to fraction form
    117,860.88/162,652.01 = 64,147.85/x
  3. Step 3: Cross multiply
    117,860.88x = 162,652.01 × 64,147.85
  4. Step 4: Simplify right side
    117,860.88x = 10,433,775,605.68
  5. Step 5: Solve for x
    x = 10,433,775,605.68/117,860.88
  6. Step 6: Final answer
    x = 88,526.20

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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.