Home / 106,305.11-159,463.49-43,115.84

Finding the Fourth Proportional to 106,305.11, 159,463.49 and 43,115.84

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Solution

The fourth proportional to 106,305.11, 159,463.49 and 43,115.84 is: 64,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,305.11 : 159,463.49 = 43,115.84 : x
  2. Step 2: Convert to fraction form
    106,305.11/159,463.49 = 43,115.84/x
  3. Step 3: Cross multiply
    106,305.11x = 159,463.49 × 43,115.84
  4. Step 4: Simplify right side
    106,305.11x = 6,875,402,802.76
  5. Step 5: Solve for x
    x = 6,875,402,802.76/106,305.11
  6. Step 6: Final answer
    x = 64,676.13

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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.