Home / 86,729.29-119,684.87-49,002.73

Finding the Fourth Proportional to 86,729.29, 119,684.87 and 49,002.73

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Solution

The fourth proportional to 86,729.29, 119,684.87 and 49,002.73 is: 67,622.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,729.29 : 119,684.87 = 49,002.73 : x
  2. Step 2: Convert to fraction form
    86,729.29/119,684.87 = 49,002.73/x
  3. Step 3: Cross multiply
    86,729.29x = 119,684.87 × 49,002.73
  4. Step 4: Simplify right side
    86,729.29x = 5,864,885,124.68
  5. Step 5: Solve for x
    x = 5,864,885,124.68/86,729.29
  6. Step 6: Final answer
    x = 67,622.89

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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.