Home / 109,581.51-164,446.08-43,013.76

Finding the Fourth Proportional to 109,581.51, 164,446.08 and 43,013.76

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Solution

The fourth proportional to 109,581.51, 164,446.08 and 43,013.76 is: 64,549.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,581.51 : 164,446.08 = 43,013.76 : x
  2. Step 2: Convert to fraction form
    109,581.51/164,446.08 = 43,013.76/x
  3. Step 3: Cross multiply
    109,581.51x = 164,446.08 × 43,013.76
  4. Step 4: Simplify right side
    109,581.51x = 7,073,444,218.06
  5. Step 5: Solve for x
    x = 7,073,444,218.06/109,581.51
  6. Step 6: Final answer
    x = 64,549.61

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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.