Home / 123,953.46-171,049.23-70,239.12

Finding the Fourth Proportional to 123,953.46, 171,049.23 and 70,239.12

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Solution

The fourth proportional to 123,953.46, 171,049.23 and 70,239.12 is: 96,926.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,953.46 : 171,049.23 = 70,239.12 : x
  2. Step 2: Convert to fraction form
    123,953.46/171,049.23 = 70,239.12/x
  3. Step 3: Cross multiply
    123,953.46x = 171,049.23 × 70,239.12
  4. Step 4: Simplify right side
    123,953.46x = 12,014,347,391.88
  5. Step 5: Solve for x
    x = 12,014,347,391.88/123,953.46
  6. Step 6: Final answer
    x = 96,926.28

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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.