Home / 71,297.09-107,050.76-39,768.75

Finding the Fourth Proportional to 71,297.09, 107,050.76 and 39,768.75

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Solution

The fourth proportional to 71,297.09, 107,050.76 and 39,768.75 is: 59,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,297.09 : 107,050.76 = 39,768.75 : x
  2. Step 2: Convert to fraction form
    71,297.09/107,050.76 = 39,768.75/x
  3. Step 3: Cross multiply
    71,297.09x = 107,050.76 × 39,768.75
  4. Step 4: Simplify right side
    71,297.09x = 4,257,274,784.66
  5. Step 5: Solve for x
    x = 4,257,274,784.66/71,297.09
  6. Step 6: Final answer
    x = 59,711.76

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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.