Home / 90,373.88-124,716.84-50,088.53

Finding the Fourth Proportional to 90,373.88, 124,716.84 and 50,088.53

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Solution

The fourth proportional to 90,373.88, 124,716.84 and 50,088.53 is: 69,122.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,373.88 : 124,716.84 = 50,088.53 : x
  2. Step 2: Convert to fraction form
    90,373.88/124,716.84 = 50,088.53/x
  3. Step 3: Cross multiply
    90,373.88x = 124,716.84 × 50,088.53
  4. Step 4: Simplify right side
    90,373.88x = 6,246,883,181.85
  5. Step 5: Solve for x
    x = 6,246,883,181.85/90,373.88
  6. Step 6: Final answer
    x = 69,122.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.