Home / 101,343.15-152,022.42-34,782.75

Finding the Fourth Proportional to 101,343.15, 152,022.42 and 34,782.75

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Solution

The fourth proportional to 101,343.15, 152,022.42 and 34,782.75 is: 52,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,343.15 : 152,022.42 = 34,782.75 : x
  2. Step 2: Convert to fraction form
    101,343.15/152,022.42 = 34,782.75/x
  3. Step 3: Cross multiply
    101,343.15x = 152,022.42 × 34,782.75
  4. Step 4: Simplify right side
    101,343.15x = 5,287,757,829.26
  5. Step 5: Solve for x
    x = 5,287,757,829.26/101,343.15
  6. Step 6: Final answer
    x = 52,176.77

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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.