Home / 115,376.20-173,046.30-36,509.80

Finding the Fourth Proportional to 115,376.20, 173,046.30 and 36,509.80

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Solution

The fourth proportional to 115,376.20, 173,046.30 and 36,509.80 is: 54,759.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,376.20 : 173,046.30 = 36,509.80 : x
  2. Step 2: Convert to fraction form
    115,376.20/173,046.30 = 36,509.80/x
  3. Step 3: Cross multiply
    115,376.20x = 173,046.30 × 36,509.80
  4. Step 4: Simplify right side
    115,376.20x = 6,317,885,803.74
  5. Step 5: Solve for x
    x = 6,317,885,803.74/115,376.20
  6. Step 6: Final answer
    x = 54,759.00

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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.