Home / 88,133.14-121,623.78-47,846.80

Finding the Fourth Proportional to 88,133.14, 121,623.78 and 47,846.80

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Solution

The fourth proportional to 88,133.14, 121,623.78 and 47,846.80 is: 66,028.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,133.14 : 121,623.78 = 47,846.80 : x
  2. Step 2: Convert to fraction form
    88,133.14/121,623.78 = 47,846.80/x
  3. Step 3: Cross multiply
    88,133.14x = 121,623.78 × 47,846.80
  4. Step 4: Simplify right side
    88,133.14x = 5,819,308,676.90
  5. Step 5: Solve for x
    x = 5,819,308,676.90/88,133.14
  6. Step 6: Final answer
    x = 66,028.61

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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.