Home / 104,167.80-143,760.40-58,854.10

Finding the Fourth Proportional to 104,167.80, 143,760.40 and 58,854.10

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Solution

The fourth proportional to 104,167.80, 143,760.40 and 58,854.10 is: 81,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,167.80 : 143,760.40 = 58,854.10 : x
  2. Step 2: Convert to fraction form
    104,167.80/143,760.40 = 58,854.10/x
  3. Step 3: Cross multiply
    104,167.80x = 143,760.40 × 58,854.10
  4. Step 4: Simplify right side
    104,167.80x = 8,460,888,957.64
  5. Step 5: Solve for x
    x = 8,460,888,957.64/104,167.80
  6. Step 6: Final answer
    x = 81,223.65

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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.