Home / 103,906.04-143,387.46-58,583.62

Finding the Fourth Proportional to 103,906.04, 143,387.46 and 58,583.62

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Solution

The fourth proportional to 103,906.04, 143,387.46 and 58,583.62 is: 80,843.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,906.04 : 143,387.46 = 58,583.62 : x
  2. Step 2: Convert to fraction form
    103,906.04/143,387.46 = 58,583.62/x
  3. Step 3: Cross multiply
    103,906.04x = 143,387.46 × 58,583.62
  4. Step 4: Simplify right side
    103,906.04x = 8,400,155,818.02
  5. Step 5: Solve for x
    x = 8,400,155,818.02/103,906.04
  6. Step 6: Final answer
    x = 80,843.77

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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.