Home / 123,942.62-171,026.91-70,216.13

Finding the Fourth Proportional to 123,942.62, 171,026.91 and 70,216.13

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Solution

The fourth proportional to 123,942.62, 171,026.91 and 70,216.13 is: 96,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,942.62 : 171,026.91 = 70,216.13 : x
  2. Step 2: Convert to fraction form
    123,942.62/171,026.91 = 70,216.13/x
  3. Step 3: Cross multiply
    123,942.62x = 171,026.91 × 70,216.13
  4. Step 4: Simplify right side
    123,942.62x = 12,008,848,173.63
  5. Step 5: Solve for x
    x = 12,008,848,173.63/123,942.62
  6. Step 6: Final answer
    x = 96,890.38

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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.