Home / 100,924.04-139,286.04-55,606.62

Finding the Fourth Proportional to 100,924.04, 139,286.04 and 55,606.62

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Solution

The fourth proportional to 100,924.04, 139,286.04 and 55,606.62 is: 76,743.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,924.04 : 139,286.04 = 55,606.62 : x
  2. Step 2: Convert to fraction form
    100,924.04/139,286.04 = 55,606.62/x
  3. Step 3: Cross multiply
    100,924.04x = 139,286.04 × 55,606.62
  4. Step 4: Simplify right side
    100,924.04x = 7,745,225,897.58
  5. Step 5: Solve for x
    x = 7,745,225,897.58/100,924.04
  6. Step 6: Final answer
    x = 76,743.12

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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.