Home / 103,841.07-143,304.90-58,520.97

Finding the Fourth Proportional to 103,841.07, 143,304.90 and 58,520.97

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Solution

The fourth proportional to 103,841.07, 143,304.90 and 58,520.97 is: 80,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,841.07 : 143,304.90 = 58,520.97 : x
  2. Step 2: Convert to fraction form
    103,841.07/143,304.90 = 58,520.97/x
  3. Step 3: Cross multiply
    103,841.07x = 143,304.90 × 58,520.97
  4. Step 4: Simplify right side
    103,841.07x = 8,386,340,744.62
  5. Step 5: Solve for x
    x = 8,386,340,744.62/103,841.07
  6. Step 6: Final answer
    x = 80,761.31

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1.5x scale

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.