Home / 103,880.10-143,367.17-58,566.81

Finding the Fourth Proportional to 103,880.10, 143,367.17 and 58,566.81

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Solution

The fourth proportional to 103,880.10, 143,367.17 and 58,566.81 is: 80,829.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,880.10 : 143,367.17 = 58,566.81 : x
  2. Step 2: Convert to fraction form
    103,880.10/143,367.17 = 58,566.81/x
  3. Step 3: Cross multiply
    103,880.10x = 143,367.17 × 58,566.81
  4. Step 4: Simplify right side
    103,880.10x = 8,396,557,512.79
  5. Step 5: Solve for x
    x = 8,396,557,512.79/103,880.10
  6. Step 6: Final answer
    x = 80,829.32

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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.