Home / 123,946.45-171,046.08-67,357.82

Finding the Fourth Proportional to 123,946.45, 171,046.08 and 67,357.82

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Solution

The fourth proportional to 123,946.45, 171,046.08 and 67,357.82 is: 92,953.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,946.45 : 171,046.08 = 67,357.82 : x
  2. Step 2: Convert to fraction form
    123,946.45/171,046.08 = 67,357.82/x
  3. Step 3: Cross multiply
    123,946.45x = 171,046.08 × 67,357.82
  4. Step 4: Simplify right side
    123,946.45x = 11,521,291,068.35
  5. Step 5: Solve for x
    x = 11,521,291,068.35/123,946.45
  6. Step 6: Final answer
    x = 92,953.78

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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.