Home / 100,954.62-139,322.07-58,526.46

Finding the Fourth Proportional to 100,954.62, 139,322.07 and 58,526.46

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Solution

The fourth proportional to 100,954.62, 139,322.07 and 58,526.46 is: 80,769.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,954.62 : 139,322.07 = 58,526.46 : x
  2. Step 2: Convert to fraction form
    100,954.62/139,322.07 = 58,526.46/x
  3. Step 3: Cross multiply
    100,954.62x = 139,322.07 × 58,526.46
  4. Step 4: Simplify right side
    100,954.62x = 8,154,027,556.97
  5. Step 5: Solve for x
    x = 8,154,027,556.97/100,954.62
  6. Step 6: Final answer
    x = 80,769.24

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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.