Home / 117,635.09-162,469.53-77,526.92

Finding the Fourth Proportional to 117,635.09, 162,469.53 and 77,526.92

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Solution

The fourth proportional to 117,635.09, 162,469.53 and 77,526.92 is: 107,074.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,635.09 : 162,469.53 = 77,526.92 : x
  2. Step 2: Convert to fraction form
    117,635.09/162,469.53 = 77,526.92/x
  3. Step 3: Cross multiply
    117,635.09x = 162,469.53 × 77,526.92
  4. Step 4: Simplify right side
    117,635.09x = 12,595,762,660.92
  5. Step 5: Solve for x
    x = 12,595,762,660.92/117,635.09
  6. Step 6: Final answer
    x = 107,074.88

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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.