Home / 103,320.60-155,077.92-50,767.80

Finding the Fourth Proportional to 103,320.60, 155,077.92 and 50,767.80

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Solution

The fourth proportional to 103,320.60, 155,077.92 and 50,767.80 is: 76,199.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,320.60 : 155,077.92 = 50,767.80 : x
  2. Step 2: Convert to fraction form
    103,320.60/155,077.92 = 50,767.80/x
  3. Step 3: Cross multiply
    103,320.60x = 155,077.92 × 50,767.80
  4. Step 4: Simplify right side
    103,320.60x = 7,872,964,826.98
  5. Step 5: Solve for x
    x = 7,872,964,826.98/103,320.60
  6. Step 6: Final answer
    x = 76,199.37

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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.