Home / 115,460.40-159,371.64-67,733.04

Finding the Fourth Proportional to 115,460.40, 159,371.64 and 67,733.04

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Solution

The fourth proportional to 115,460.40, 159,371.64 and 67,733.04 is: 93,492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,460.40 : 159,371.64 = 67,733.04 : x
  2. Step 2: Convert to fraction form
    115,460.40/159,371.64 = 67,733.04/x
  3. Step 3: Cross multiply
    115,460.40x = 159,371.64 × 67,733.04
  4. Step 4: Simplify right side
    115,460.40x = 10,794,725,666.99
  5. Step 5: Solve for x
    x = 10,794,725,666.99/115,460.40
  6. Step 6: Final answer
    x = 93,492.88

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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.