Home / 123,972.44-171,078.38-70,262.42

Finding the Fourth Proportional to 123,972.44, 171,078.38 and 70,262.42

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Solution

The fourth proportional to 123,972.44, 171,078.38 and 70,262.42 is: 96,960.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,972.44 : 171,078.38 = 70,262.42 : x
  2. Step 2: Convert to fraction form
    123,972.44/171,078.38 = 70,262.42/x
  3. Step 3: Cross multiply
    123,972.44x = 171,078.38 × 70,262.42
  4. Step 4: Simplify right side
    123,972.44x = 12,020,381,064.86
  5. Step 5: Solve for x
    x = 12,020,381,064.86/123,972.44
  6. Step 6: Final answer
    x = 96,960.11

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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.