Home / 115,529.28-173,219.74-48,108

Finding the Fourth Proportional to 115,529.28, 173,219.74 and 48,108

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Solution

The fourth proportional to 115,529.28, 173,219.74 and 48,108 is: 72,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,529.28 : 173,219.74 = 48,108 : x
  2. Step 2: Convert to fraction form
    115,529.28/173,219.74 = 48,108/x
  3. Step 3: Cross multiply
    115,529.28x = 173,219.74 × 48,108
  4. Step 4: Simplify right side
    115,529.28x = 8,333,255,251.92
  5. Step 5: Solve for x
    x = 8,333,255,251.92/115,529.28
  6. Step 6: Final answer
    x = 72,131.11

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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.