Home / 106,139.49-146,473.23-57,741.87

Finding the Fourth Proportional to 106,139.49, 146,473.23 and 57,741.87

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Solution

The fourth proportional to 106,139.49, 146,473.23 and 57,741.87 is: 79,684.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,139.49 : 146,473.23 = 57,741.87 : x
  2. Step 2: Convert to fraction form
    106,139.49/146,473.23 = 57,741.87/x
  3. Step 3: Cross multiply
    106,139.49x = 146,473.23 × 57,741.87
  4. Step 4: Simplify right side
    106,139.49x = 8,457,638,205.14
  5. Step 5: Solve for x
    x = 8,457,638,205.14/106,139.49
  6. Step 6: Final answer
    x = 79,684.18

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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.