Home / 104,032.40-143,564.13-58,725.11

Finding the Fourth Proportional to 104,032.40, 143,564.13 and 58,725.11

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Solution

The fourth proportional to 104,032.40, 143,564.13 and 58,725.11 is: 81,040.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,032.40 : 143,564.13 = 58,725.11 : x
  2. Step 2: Convert to fraction form
    104,032.40/143,564.13 = 58,725.11/x
  3. Step 3: Cross multiply
    104,032.40x = 143,564.13 × 58,725.11
  4. Step 4: Simplify right side
    104,032.40x = 8,430,819,326.30
  5. Step 5: Solve for x
    x = 8,430,819,326.30/104,032.40
  6. Step 6: Final answer
    x = 81,040.32

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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.