Home / 91,373.20-126,097.64-51,087.06

Finding the Fourth Proportional to 91,373.20, 126,097.64 and 51,087.06

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Solution

The fourth proportional to 91,373.20, 126,097.64 and 51,087.06 is: 70,501.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,373.20 : 126,097.64 = 51,087.06 : x
  2. Step 2: Convert to fraction form
    91,373.20/126,097.64 = 51,087.06/x
  3. Step 3: Cross multiply
    91,373.20x = 126,097.64 × 51,087.06
  4. Step 4: Simplify right side
    91,373.20x = 6,441,957,847.65
  5. Step 5: Solve for x
    x = 6,441,957,847.65/91,373.20
  6. Step 6: Final answer
    x = 70,501.61

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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.