Home / 101,123.80-151,637.35-47,771.26

Finding the Fourth Proportional to 101,123.80, 151,637.35 and 47,771.26

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Solution

The fourth proportional to 101,123.80, 151,637.35 and 47,771.26 is: 71,634.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,123.80 : 151,637.35 = 47,771.26 : x
  2. Step 2: Convert to fraction form
    101,123.80/151,637.35 = 47,771.26/x
  3. Step 3: Cross multiply
    101,123.80x = 151,637.35 × 47,771.26
  4. Step 4: Simplify right side
    101,123.80x = 7,243,906,851.91
  5. Step 5: Solve for x
    x = 7,243,906,851.91/101,123.80
  6. Step 6: Final answer
    x = 71,634.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.