Home / 123,946.72-171,046.40-67,358.10

Finding the Fourth Proportional to 123,946.72, 171,046.40 and 67,358.10

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Solution

The fourth proportional to 123,946.72, 171,046.40 and 67,358.10 is: 92,954.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,946.72 : 171,046.40 = 67,358.10 : x
  2. Step 2: Convert to fraction form
    123,946.72/171,046.40 = 67,358.10/x
  3. Step 3: Cross multiply
    123,946.72x = 171,046.40 × 67,358.10
  4. Step 4: Simplify right side
    123,946.72x = 11,521,360,515.84
  5. Step 5: Solve for x
    x = 11,521,360,515.84/123,946.72
  6. Step 6: Final answer
    x = 92,954.14

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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.