Home / 91,910.09-126,803.63-60,097.61

Finding the Fourth Proportional to 91,910.09, 126,803.63 and 60,097.61

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Solution

The fourth proportional to 91,910.09, 126,803.63 and 60,097.61 is: 82,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,910.09 : 126,803.63 = 60,097.61 : x
  2. Step 2: Convert to fraction form
    91,910.09/126,803.63 = 60,097.61/x
  3. Step 3: Cross multiply
    91,910.09x = 126,803.63 × 60,097.61
  4. Step 4: Simplify right side
    91,910.09x = 7,620,594,801.84
  5. Step 5: Solve for x
    x = 7,620,594,801.84/91,910.09
  6. Step 6: Final answer
    x = 82,913.58

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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.