Home / 124,606.36-171,956.28-68,017.78

Finding the Fourth Proportional to 124,606.36, 171,956.28 and 68,017.78

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Solution

The fourth proportional to 124,606.36, 171,956.28 and 68,017.78 is: 93,864.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,606.36 : 171,956.28 = 68,017.78 : x
  2. Step 2: Convert to fraction form
    124,606.36/171,956.28 = 68,017.78/x
  3. Step 3: Cross multiply
    124,606.36x = 171,956.28 × 68,017.78
  4. Step 4: Simplify right side
    124,606.36x = 11,696,084,422.66
  5. Step 5: Solve for x
    x = 11,696,084,422.66/124,606.36
  6. Step 6: Final answer
    x = 93,864.27

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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.