Home / 123,956.24-171,046.08-70,240.32

Finding the Fourth Proportional to 123,956.24, 171,046.08 and 70,240.32

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Solution

The fourth proportional to 123,956.24, 171,046.08 and 70,240.32 is: 96,923.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,956.24 : 171,046.08 = 70,240.32 : x
  2. Step 2: Convert to fraction form
    123,956.24/171,046.08 = 70,240.32/x
  3. Step 3: Cross multiply
    123,956.24x = 171,046.08 × 70,240.32
  4. Step 4: Simplify right side
    123,956.24x = 12,014,331,393.95
  5. Step 5: Solve for x
    x = 12,014,331,393.95/123,956.24
  6. Step 6: Final answer
    x = 96,923.97

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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.