Home / 115,374.15-173,079.53-48,814.78

Finding the Fourth Proportional to 115,374.15, 173,079.53 and 48,814.78

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Solution

The fourth proportional to 115,374.15, 173,079.53 and 48,814.78 is: 73,229.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,374.15 : 173,079.53 = 48,814.78 : x
  2. Step 2: Convert to fraction form
    115,374.15/173,079.53 = 48,814.78/x
  3. Step 3: Cross multiply
    115,374.15x = 173,079.53 × 48,814.78
  4. Step 4: Simplify right side
    115,374.15x = 8,448,839,334.78
  5. Step 5: Solve for x
    x = 8,448,839,334.78/115,374.15
  6. Step 6: Final answer
    x = 73,229.91

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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.