Home / 104,209.13-143,806.73-58,886.15

Finding the Fourth Proportional to 104,209.13, 143,806.73 and 58,886.15

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Solution

The fourth proportional to 104,209.13, 143,806.73 and 58,886.15 is: 81,261.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,209.13 : 143,806.73 = 58,886.15 : x
  2. Step 2: Convert to fraction form
    104,209.13/143,806.73 = 58,886.15/x
  3. Step 3: Cross multiply
    104,209.13x = 143,806.73 × 58,886.15
  4. Step 4: Simplify right side
    104,209.13x = 8,468,223,660.33
  5. Step 5: Solve for x
    x = 8,468,223,660.33/104,209.13
  6. Step 6: Final answer
    x = 81,261.82

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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.