Home / 103,011.13-154,504.54-27,117.37

Finding the Fourth Proportional to 103,011.13, 154,504.54 and 27,117.37

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Solution

The fourth proportional to 103,011.13, 154,504.54 and 27,117.37 is: 40,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,011.13 : 154,504.54 = 27,117.37 : x
  2. Step 2: Convert to fraction form
    103,011.13/154,504.54 = 27,117.37/x
  3. Step 3: Cross multiply
    103,011.13x = 154,504.54 × 27,117.37
  4. Step 4: Simplify right side
    103,011.13x = 4,189,756,777.86
  5. Step 5: Solve for x
    x = 4,189,756,777.86/103,011.13
  6. Step 6: Final answer
    x = 40,672.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.