Home / 103,494.10-155,277.60-50,868.40

Finding the Fourth Proportional to 103,494.10, 155,277.60 and 50,868.40

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Solution

The fourth proportional to 103,494.10, 155,277.60 and 50,868.40 is: 76,320.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,494.10 : 155,277.60 = 50,868.40 : x
  2. Step 2: Convert to fraction form
    103,494.10/155,277.60 = 50,868.40/x
  3. Step 3: Cross multiply
    103,494.10x = 155,277.60 × 50,868.40
  4. Step 4: Simplify right side
    103,494.10x = 7,898,723,067.84
  5. Step 5: Solve for x
    x = 7,898,723,067.84/103,494.10
  6. Step 6: Final answer
    x = 76,320.52

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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.