Home / 86,469.50-129,708.23-26,493.68

Finding the Fourth Proportional to 86,469.50, 129,708.23 and 26,493.68

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Solution

The fourth proportional to 86,469.50, 129,708.23 and 26,493.68 is: 39,741.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,469.50 : 129,708.23 = 26,493.68 : x
  2. Step 2: Convert to fraction form
    86,469.50/129,708.23 = 26,493.68/x
  3. Step 3: Cross multiply
    86,469.50x = 129,708.23 × 26,493.68
  4. Step 4: Simplify right side
    86,469.50x = 3,436,448,338.99
  5. Step 5: Solve for x
    x = 3,436,448,338.99/86,469.50
  6. Step 6: Final answer
    x = 39,741.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.