Home / 104,606.16-144,377.38-66,411.20

Finding the Fourth Proportional to 104,606.16, 144,377.38 and 66,411.20

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Solution

The fourth proportional to 104,606.16, 144,377.38 and 66,411.20 is: 91,660.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,606.16 : 144,377.38 = 66,411.20 : x
  2. Step 2: Convert to fraction form
    104,606.16/144,377.38 = 66,411.20/x
  3. Step 3: Cross multiply
    104,606.16x = 144,377.38 × 66,411.20
  4. Step 4: Simplify right side
    104,606.16x = 9,588,275,058.66
  5. Step 5: Solve for x
    x = 9,588,275,058.66/104,606.16
  6. Step 6: Final answer
    x = 91,660.71

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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.