Home / 109,717.70-164,346.91-70,073.06

Finding the Fourth Proportional to 109,717.70, 164,346.91 and 70,073.06

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Solution

The fourth proportional to 109,717.70, 164,346.91 and 70,073.06 is: 104,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,717.70 : 164,346.91 = 70,073.06 : x
  2. Step 2: Convert to fraction form
    109,717.70/164,346.91 = 70,073.06/x
  3. Step 3: Cross multiply
    109,717.70x = 164,346.91 × 70,073.06
  4. Step 4: Simplify right side
    109,717.70x = 11,516,289,888.33
  5. Step 5: Solve for x
    x = 11,516,289,888.33/109,717.70
  6. Step 6: Final answer
    x = 104,962.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.