Home / 117,759.83-162,507.20-64,043.66

Finding the Fourth Proportional to 117,759.83, 162,507.20 and 64,043.66

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Solution

The fourth proportional to 117,759.83, 162,507.20 and 64,043.66 is: 88,379.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,759.83 : 162,507.20 = 64,043.66 : x
  2. Step 2: Convert to fraction form
    117,759.83/162,507.20 = 64,043.66/x
  3. Step 3: Cross multiply
    117,759.83x = 162,507.20 × 64,043.66
  4. Step 4: Simplify right side
    117,759.83x = 10,407,555,950.40
  5. Step 5: Solve for x
    x = 10,407,555,950.40/117,759.83
  6. Step 6: Final answer
    x = 88,379.51

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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.