Home / 123,828.24-170,882.76-67,239.62

Finding the Fourth Proportional to 123,828.24, 170,882.76 and 67,239.62

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Solution

The fourth proportional to 123,828.24, 170,882.76 and 67,239.62 is: 92,790.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,828.24 : 170,882.76 = 67,239.62 : x
  2. Step 2: Convert to fraction form
    123,828.24/170,882.76 = 67,239.62/x
  3. Step 3: Cross multiply
    123,828.24x = 170,882.76 × 67,239.62
  4. Step 4: Simplify right side
    123,828.24x = 11,490,091,885.50
  5. Step 5: Solve for x
    x = 11,490,091,885.50/123,828.24
  6. Step 6: Final answer
    x = 92,790.56

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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.