Home / 118,912.55-164,076.17-70,505.51

Finding the Fourth Proportional to 118,912.55, 164,076.17 and 70,505.51

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Solution

The fourth proportional to 118,912.55, 164,076.17 and 70,505.51 is: 97,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,912.55 : 164,076.17 = 70,505.51 : x
  2. Step 2: Convert to fraction form
    118,912.55/164,076.17 = 70,505.51/x
  3. Step 3: Cross multiply
    118,912.55x = 164,076.17 × 70,505.51
  4. Step 4: Simplify right side
    118,912.55x = 11,568,272,871.79
  5. Step 5: Solve for x
    x = 11,568,272,871.79/118,912.55
  6. Step 6: Final answer
    x = 97,283.87

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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.