Home / 106,769.17-147,356.09-61,446.21

Finding the Fourth Proportional to 106,769.17, 147,356.09 and 61,446.21

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Solution

The fourth proportional to 106,769.17, 147,356.09 and 61,446.21 is: 84,804.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,769.17 : 147,356.09 = 61,446.21 : x
  2. Step 2: Convert to fraction form
    106,769.17/147,356.09 = 61,446.21/x
  3. Step 3: Cross multiply
    106,769.17x = 147,356.09 × 61,446.21
  4. Step 4: Simplify right side
    106,769.17x = 9,054,473,250.92
  5. Step 5: Solve for x
    x = 9,054,473,250.92/106,769.17
  6. Step 6: Final answer
    x = 84,804.19

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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.