Home / 103,087.20-154,609.20-50,534.40

Finding the Fourth Proportional to 103,087.20, 154,609.20 and 50,534.40

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Solution

The fourth proportional to 103,087.20, 154,609.20 and 50,534.40 is: 75,791.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,087.20 : 154,609.20 = 50,534.40 : x
  2. Step 2: Convert to fraction form
    103,087.20/154,609.20 = 50,534.40/x
  3. Step 3: Cross multiply
    103,087.20x = 154,609.20 × 50,534.40
  4. Step 4: Simplify right side
    103,087.20x = 7,813,083,156.48
  5. Step 5: Solve for x
    x = 7,813,083,156.48/103,087.20
  6. Step 6: Final answer
    x = 75,791.01

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1.5x scale

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.